Think about those quiet nights when you gaze up at the sky after watching a sci-fi movie. At first, you’re captivated by the twinkling stars and the serene glow of the moon. But soon, your thoughts begin to wander about how these celestial bodies were formed? How did massive stars, distant planets, and even entire solar systems come into existence? And before you know it, your imagination drifts toward the possibility of alien life. Something that seemed so real in the movie you just watched.

Even today, we have no solid evidence to confirm whether life truly exists beyond Earth, or if there’s any planet out there that could sustain it. Yet, scientists and astronomers around the world continue to believe that the possibility remains open that life may exist, either somewhere within our solar system or far beyond it. Driven by this never ending curiosity, they’ve embarked on countless missions and experiments in search for traces of water on Mars, testing its soil to see if it can nurture plant life and exploring distant worlds in the hope of finding even the faintest sign that we’re not alone in the universe.

But today, let’s turn our attention to one such fascinating world. A moon called Titan. It has long captured the curiosity of scientists, thanks to its thick nitrogen-rich atmosphere and the presence of lakes and rivers filled not with water, but with liquid methane and ethane.

Understanding about Titan

Remember those school days when you first learned about our solar system and how Saturn instantly stood out because of its magnificent rings? Made almost entirely of water icy and rocky particles, those shimmering rings captured the imagination of countless students. But Saturn’s wonders don’t end there. The planet is surrounded by nearly 274 moons, and among them lies its crown jewel — Titan, the largest and perhaps the most intriguing of them all.

Titan is the only world apart from Earth that is known to have liquid on its surface. However, Titan’s lakes and seas are not filled with water. Instead they contain liquid hydrocarbons like methane and ethane. It has a radius about 2.6 times smaller than Earth’s, yet it’s 50% larger in diameter and 80% more massive than our own Moon. This makes it the second-largest moon in our solar system, right after Jupiter’s Ganymede.

But why Titan?

You might be wondering about the fact, why are we so curious about Titan? Before turning their attention to it, scientists had long focused their research on Mars. The search for potential life on Mars began as early as the 19th century and continues even today through telescopes and rovers exploring its surface. These missions aim to detect signs of water, chemical biosignatures in its soil and rocks, and gases in the atmosphere that could hint at biological activity.

However, despite decades of study, no solid evidence of water or life has been found on Mars so far though research is still ongoing. Meanwhile, scientists began looking beyond Mars for other possible worlds that might support life.

Among all the celestial bodies in our solar system, Titan stands out. It is the only moon known to have lakes and rivers of liquid methane and ethane, substances that can potentially be produced by microorganisms. Moreover, Titan’s dense atmosphere acts as a natural shield, protecting its surface from harmful radiation. Considering these unique conditions, scientists believe that Titan could be the next best candidate for life beyond Earth and what’s more, it’s also the nearest potentially habitable world after Mars.

Ensuing Fascination with Titan

As discussed earlier, methane is responsible for the liquid present on Titan. But the question arises. Where is this methane coming from? Since sunlight continuously breaks down the methane present in Titan’s atmosphere, some source must be replenishing it; otherwise, it would have been depleted over time. Researchers suspect that methane could be released into Titan’s atmosphere through cryovolcanism — volcanoes that eject chilled water instead of molten rock lava, but they are not certain whether this or some other process is responsible.

Another possible reason lies in the atmosphere, which contains nearly 95% nitrogen and a small amount of methane (a composition quite similar to Earth’s early atmosphere). The atmosphere is also rich in complex organic molecules, such as hydrocarbons and tholin particles (orange haze particles made of organic compounds). These molecules are the building blocks of life, similar to those that may have existed on early Earth before life formed.

One of the important factors is gravity. Titan’s surface pressure is about 1.5 times that of Earth’s, strong enough for a human to stand on its surface without a pressure suit. Its low gravity (about one-seventh of Earth’s) would make movement easier for humans. Moreover, Titan’s thick atmosphere and its distance from the Sun help it avoid harmful solar radiation and asteroid impacts. These are some threats that constantly endanger Mars and can affect the subsequent long-term colonization plans as well.

Pre-Biotic Chemistry of Titan’s Lakes

You might be wondering how we know so much about a moon that lies nearly 1.2 billion kilometres away from Earth. Thanks to the Cassini mission. Cassini’s numerous gravity measurements of Titan revealed that the moon is hiding an underground ocean of liquid water, likely mixed with salts and ammonia. We now know that Titan has a complex meteorological cycle that actively shapes and influences its surface even today.

The European Space Agency’s Huygens probe, during its descent to Titan’s surface in 2005, measured radio signals that strongly suggested the presence of an ocean 35 to 50 miles (55 to 80 kilometres) below the icy crust. Do you want to know an interesting fact about Titan? A recent study examined how vesicles might form under the freezing conditions of Titan’s hydrocarbon lakes and seas. These vesicles are cell-like compartments formed by membranes and filled with liquid that help transport substances into and out of cells.

On Titan, both spray droplets and the sea surface could be coated with layers of amphiphiles. When these droplets fall onto the surface of liquid hydrocarbons, the two layers of amphiphiles can meet and form a double-layered vesicle, enclosing the original droplet inside. Over time, these vesicles could disperse throughout the pond, interacting and competing in an evolutionary process that might eventually lead to the formation of primitive cells. If this proposed theory proves to be true, it could significantly deepen our understanding of Titan’s future atmospheric conditions and the potential biological evolution taking place there.

Challenges to Overcome

It’s truly fascinating to learn about Titan, a moon with an atmosphere somewhat similar to Earth’s. But have you ever wondered how humans could actually travel there and start a new life? Is it even possible for a rocket to journey that far with humans on board? At present, it’s not.

The climatic conditions on Titan are extremely harsh and unsuitable for human survival. The surface temperature averages around −179°C, where water behaves like rock and metals become brittle. Titan’s atmosphere contains almost no oxygen, making it impossible for humans to breathe. Moreover, since Titan is about ten times farther from the Sun than Earth, it receives very little sunlight. The lakes of methane and ethane, though captivating, are highly flammable, and the enormous distance from Earth adds to the challenge.

However, with future technological advancements, these challenges could be overcome. We could potentially establish closed-loop life support systems (capable of recycling air and water, similar to those in spacecraft) and build heated dome habitats powered by chemical energy from methane or nuclear energy for continuous power supply.

Future Goals & Advancements

NASA has announced its first dedicated mission to Titan. The Dragonfly rotorcraft, which will explore the moon’s surface in unprecedented detail. This mission will fly from one location to another, studying surface composition, conducting atmospheric and geophysical measurements, and assessing Titan’s overall habitability.

Although Dragonfly isn’t specifically designed to detect vesicles, it will provide valuable insights into the biological, climatic, and geological conditions of Titan bringing us one step closer to understanding this mysterious world.

Beyond the Red Planet: Titan was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

It’s a fine evening way back in 2017 when you were candidly going through YouTube videos while sipping on hot tea after a packed day at school. You stumble upon this peculiar video jutting out some information on some phenomenon or event called a Gamma Ray Burst. And all of a sudden, an intense flash lights up everything, blinding all that is visible and not baring even a second to think everything that we hold dear and you yourself vanishes into the voids of the ether world. What you had experienced just now is just a reality of the content from the YouTube video and that’s exactly what a gamma ray burst is.

Gamma Ray Burst — A New Prophecy

Gamma Ray Bursts (GRBs) are intense stellar explosions that generate enormous amounts of radiation beamed in two opposing directions. The most powerful event in the known universe, after the so-called Big Bang, they are short-lived outbursts of the highest-energy light. They can erupt with a quintillion (well have a good time counting the number of zeros) times the luminosity of our Sun. Supernova or super luminous supernova is generally regarded to be the source of such formations. Though extremely rare, a particular GRB pointed towards the Earth can have drastic consequences, sterilizing all forms of existent life and even easily take no time in causing a mass extinction.

The Great Cosmic Serendipity

The presence of GRBs was not discovered until the 1960s when the US-built Vela Satellites accidentally began detecting abnormal gamma radiation presence neither from terrestrial or solar origin. However owing to the cold war politics gripping the globe back then, it was widely considered to be the consequences of a possible nuclear explosion in space and thus this information was classified in the ensuing years, though actually it was not. It would take another two decades and contributions from the Italian Space Agency’s Beppo-SAX and NASA’s Compton Gamma-Ray Observatory, an extremely sensitive gamma ray detector to show that these outbursts occur far beyond our Milky Way galaxy, are evenly distributed across the sky, and are extraordinarily powerful. The closest GRB on record occurred more than 100 million light-years away. From the 2000s, with the arrival of precise and more sensitive instruments, we have been accurately able to detect and infer the magnitude and the position of such phenomena.

Afterglow: Cosmic Skincare?

Why would hominoids have all the merry? GRBs too flaunt a prized afterglow, not form the sprinkling of any cosmic dust but rather a spectacle in its own right. Afterglows mean slowly fading emission at longer wavelengths created by collisions between the burst ejecta and interstellar gas. The first such admission of its validity came in 1997 when Beppo-SAX discovered fading X-ray emissions after the burst had originated. The infamous Hershell Telescope too had detected an afterglow 20 hours after the explosion.

The Longer, The Shorter & Much More

Events with a duration of less than about two seconds are classified as Short Gamma-Ray Bursts (s-GRBs), accounting for 30% of all GRBs in the universe. They were initially regarded to have originated from the mergers of binary neutron stars or a neutron star with a black hole. The connection between sGRBs and kilonovae was conclusively confirmed in 2017, when a short GRB was observed simultaneously with the gravitational wave signal GW170817, originating from the merger of two neutron stars.

On the other hand, Long Gamma-Ray Bursts (l-GRBs), as conveniently defined lasts more than 2 seconds constitute the majority of the population and had been consistently studied in greater detail owing to its distinct afterglow. Longer bursts are linked to the explosive deaths of massive stars. When a high-mass star runs out of nuclear fuel, its core collapses and then rebounds, driving a shock wave outward through the star. Astronomers see this explosion as a supernova and the stellar core may form either a neutron star or black hole.

There is also a distinct group of ultra-long Gamma-Ray Bursts (ul-GRBs), lasting over 10,000 seconds and representing the extreme upper end of the GRB duration spectrum. Proposed to form a separate class, these rare events are thought to originate from the collapse of blue supergiant stars, with their primary characteristic being their exceptionally prolonged GRB emission.

BTS: The Fireworks Mechanism

GRBs trace their roots back to two kinds of cataclysmic events.

Imagine a colossal, fast-spinning star, poor in metals, reaching the end of its nuclear fuel. Gravity takes over, and the core caves in on itself, giving birth to a hungry black hole. Gas swirls inward, forming a blazing accretion disk, while magnetic fields twist the chaos into what astronomers call a “magnetic tornado.” The scene is now set for a cataclysmic explosion.

Elsewhere in the cosmos, two dead stars-neutron stars, unimaginably dense remnants of past supernovae. Locked in a fatal waltz, they spiral together until they collide. The impact gives birth to yet another black hole, encircled by a whirlpool of matter. This too becomes a launchpad for unfathomable energy release. These two are respectively called the “Collapsar “and the “Neutron Star Merger”

In both of these, the matter accreting onto the newborn black hole releases staggering bursts of energy, channeling it into ultra-relativistic jets. Within these jets, magnetic fields and shock waves hurl electrons to near-light speeds, driving the outflow that defines GRBs. In Collapsars, the jets must first claw their way through the stellar envelope, depositing energy that ignites a brilliant Type Ic Supernova before bursting into space. As the jets emerge, chaotic collisions between shells of material create internal shocks, while reverse shocks ripple backward, accelerating particles that unleash torrents of Gamma Rays via synchrotron radiation and inverse Compton scattering, eventually marking the birth of a GRB. But the spectacle doesn’t end there.

Once free, the jets slam into the interstellar medium, generating external shocks that light up the cosmos in a multi-wavelength afterglow, first in X-rays, then visible and IR light, and finally in faint radio waves. This fading glow carries precious clues about the jet’s structure, the density of its surroundings, and the true scale of its explosive power.

What’s in the Box for Us, Earthlings?

Gamma-ray bursts (GRBs), as prophesied, could inflict delirious and disastrous implication on the pale blue dot, with sources suggesting to the extent of a mass extinction. The prime example would be The Ordovician extinction, one of the “big five” in Earth’s history, which occurred around 450 million years ago when the population of marine species plummeted. The gamma radiation from a burst within a few kpcs would quickly deplete much of the Earth’s protective ozone layer, allowing an increase in solar ultraviolet radiation reaching the surface, endangering the very existence of the inhabitants of this planet. If a GRB occurred within a few thousand light years, its high-energy photons could indulge in an apocalypse, disrupting atmospheric chemistry, and potentially driving mass extinctions through climatic perturbations. Fortunately, such events are exceedingly rare in our local galactic neighborhood.

Gamma-Ray Bursts are far more than spectacular flashes in the sky. They are powerful probes into stellar collapse, relativistic jets, and high-energy particle physics, pushing the boundaries of our scientific understanding while reminding us of the fragile balance that sustains life on Earth. Just like the moment you first stumbled upon that cosmic video on YouTube, witnessing a GRB is a fleeting glimpse into forces far beyond everyday comprehension. They are brief, violent, and brilliant, a gentle reminder that the universe is alive with events that defy imagination, leaving us staring into the night sky, full of wonder, and asking what other marvels are waiting to reveal themselves in the vast, uncharted cosmos?

Stellar Streaks was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

A Fading Childhood Memory

Remember when Pluto was a planet? Back in school, we all had solar system charts and suddenly out of the blue, scientists declared in 2006 that Pluto wasn’t a planet anymore. But whether you believe if Pluto is a planet or not, it’s existence is much more than that. Now something even more amazing is taking place — something we could probably never see during our lifetime.

Back in 1989, when Pluto was at its closest to the Sun, astronomers discovered it had a tenuous, thin atmospheric layer of nitrogen, methane, and carbon monoxide. But as Pluto recedes further on its long, 248-year-long trajectory, that atmosphere is being slowly stripped off, freezing on the surface as dew. By 2030, Pluto could be an airless, icy sphere once more and perhaps for centuries to come. And by the time we visit again, Pluto can be an entirely different place and we might never get to see as it is now.

New Horizons and the Big Discovery

It was only in 2015 when NASA’s New Horizons spacecraft delivered the first-ever close-up photos of Pluto. For the first time, we weren’t just looking at a blurry dot in schoolbooks, but here it was in stunning detail, with icy spiky mountains, sweeping plains, and, most remarkably, a bright, hazy atmosphere. That thin layer of nitrogen, methane, and carbon monoxide stretched far into space glowing with a soft blue halo due to the scattering of sunlight around the dwarf planet. But the bad news is this — scientists now believe that this atmosphere is doomed. Within the next decade, it could vanish completely, freezing onto the surface and making Pluto a cold, barren rock once more.

But why? Why is the atmosphere of Pluto so special, and why is it vanishing so fast? Pause for a moment — might it be because Pluto is so distant from the Sun? Because it has such a weak gravitational pull? Or something else? Whatever it is, one thing is for sure: we’re going to decode it, bit by bit.

Pluto’s Atmosphere

Imagine yourself standing on top of a mountain that is so high that even taking a deep breath is a struggle. Now, multiply that air thinness by 100,000 times over — that’s how thin Pluto’s atmosphere is. It has little in common with Earth (mostly nitrogen), but that’s where the similarity ends. Add a mix of methane and carbon monoxide and you get an atmosphere so fragile that it’s constantly at the mercy of the harsh environment around it.

But what actually makes Pluto’s atmosphere so unique is that it’s not constant like the Earth’s. We wake up every morning knowing that the air surrounding us won’t suddenly vanish overnight, but Pluto isn’t so lucky. It’s atmosphere fluctuates, getting thicker when it’s closer to the Sun and thinning out as it recedes. In fact, scientists say it may just disappear completely this decade. What’s causing this? Let’s find out!

Pluto’s Orbital Game of Hide & Seek

Unlike Earth’s nearly circular orbit around the Sun, Pluto’s orbit is eccentric around the Sun — a “now you see me, now you don’t” situation in the universe. Have you ever stood close to an incandescent bulb (one of those old yellow ones) and felt its warmth on your skin? Then as you step away, do you feel the same amount of warmth? Pluto experiences something similar but on a cosmic scale. Its distance from the Sun wildly fluctuates from about 29 AU (astronomical units) at its closest point (perihelion) to 49 AU at its farthest point (aphelion). In fact, at perihelion, Pluto is closer to the Sun than Neptune is, but at aphelion, it’s nearly twice as far away.

This extreme travel through the cosmos has a dramatic impact on Pluto’s atmosphere. Near the Sun, its weak heat is enough to vaporize its icy surface into gas, forming a thin, temporary atmosphere. As Pluto recedes into the frigid outer edge of the solar system, temperatures drop below -230°C and its atmosphere actually freezes back onto the surface, forming nitrogen snow.

The Big Freeze

Recent research indicates that by the year 2030, Pluto’s atmosphere will collapse as it continues to drift further away from the Sun. Observations via stellar occultation (a method whereby Pluto moves in front of a distant star, enabling scientists to quantify its atmospheric thickness via measurement of the star’s dimming) show that atmospheric pressure on Pluto, previously gauged at around 10 microbars in the late 20th century, temporarily rose during its recent “summer” period. But as the dwarf planet moves away from the Sun, its exposure to solar radiation decreases, and there is a steady reduction in pressure. Ongoing measurements have shown how minor temperature reductions bring about wide changes in this tenuous atmosphere.

As temperatures drop dramatically, the remaining nitrogen and other volatile substances slowly condense and freeze onto the surface of Pluto creating a layer of nitrogen ice like frost on a cold windowpane.

With Pluto’s atmosphere disappearing, a second interesting change occurs — its surface. As the nitrogen freezes, it condenses as a dense layer of nitrogen snow, enveloping the dwarf planet in a white blanket. This should change Pluto’s look radically, obscuring the dark spots observed in New Horizons’ photos and providing a smoother, shiny surface.

Perils of An Unstable Orbit

Pluto’s disappearing atmosphere is a typical example of how a planet’s orbit can make or break its ability to hold onto gases. You can try to visualize a planet with an extremely elliptical orbit about a star as it draws near the star in its closest approach, it can warm enough to vaporize volatile gases, only to have those same gases freeze and condense back onto the planet’s surface as the planet moves out into colder regions. This cycle of fluctuation, observed at Pluto, suggests that planets with similar orbital eccentricity may struggle to keep a stable atmosphere over time.

Consider a theoretical exoplanet within the habitable zone of its star but with a Pluto-like, highly eccentric orbit. At perihelion, the strong stellar radiation would sublimate its surface ice, temporarily creating a dense, possibly volatile atmosphere. Then, as the planet moves back to a colder aphelion, that atmosphere could freeze out, leaving the planet exposed and vulnerable. Such extreme variations would definitely create wild temperature swings and unstable conditions contributing to factors that would strongly discourage the establishment or maintenance of life. This illustration highlights that, when it comes to the study of exoplanets, being in the habitable zone is not sufficient; a planet’s orbital stability is also required to support a life-giving environment.

Comparison with Other Planets

Surprisingly, Pluto is not the only solar system object whose atmospheric conditions change seasonally. Saturn’s moon, Titan also experiences seasonal changes in its dense, methane-based atmosphere. Yet, while Pluto’s atmosphere totally collapses Titan’s never does. Rather, it experiences mild changes in its methane cloud structure and circulation.

Another contrast is with Mercury, which, as eccentric as its orbit is, has essentially no atmosphere at all, thanks to its low gravity and intense solar radiation. Pluto is unique in the sense that it can create an atmosphere at all, given its low gravity along with a number of other factors that renders its atmosphere unstable.

Final Takeaways

By the 2030s, when Pluto’s atmosphere is collapsing, astronomers will have a unique opportunity to witness this cosmic transformation firsthand. With the assistance of powerful telescopes such as the James Webb Space Telescope (JWST) and future-generation ground-based facilities, scientists expect to observe this breathtaking transformation in real time. This is not merely observing a planet transform — it’s a once-in-a-lifetime chance to hone our comprehension of atmospheric physics in extreme conditions.

If Pluto manages to retain even minute amounts of gas despite the deep freeze, it has the potential to challenge existing models and redefine what we believe we know about atmospheres on icy bodies.

Pluto’s temporary atmosphere is a fleeting marvel — a fragile phenomenon that only adorns a fraction of its 248-year journey. Its ascension and decline provide essential lessons about the evolution of planetary atmospheres, not only in our solar system but on far-off exoplanets as well. So the next time you look up at the night sky, recall that even the most distant and diminutive worlds can have incredible stories to tell.

Pluto’s Last Breath was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

Well! The new year has just started, and it seems like 2025 is already throwing us a curveball. While most of us were busy making (or breaking) our New Year’s resolutions, the Sun decided to kick things off with a massive bang — an intense solar flare. The flare was powerful enough to capture the attention of scientists worldwide. Something known as the Solar Ultraviolet Imager (SUVI), part of NOAA’s constant watch over our nearest star, managed to capture the moment in stunning detail. A fiery burst of energy shot out from the Sun’s surface, lighting up space with incredible force.

The Sun emitted a strong solar flare on Jan. 4, 2025, peaking at 7:48 a.m. ET. NASA’s GOES Solar Ultraviolet Imager (SUVI) captured an image of the event, which was classified as X1.8 (Credits: NASA Sun & Space on X)

Sounds dramatic, doesn’t it? But what does this actually mean for us down here on Earth? Should we be worried about losing power, satellites going haywire, or perhaps some other calamity?

But before immersing ourselves with what solar flares are, let’s think about something else. How will the world end? Perhaps, one of the most debatable questions and a topic that has sparked countless philosophical arguments and inspired numerous doomsday hypotheses, religious prophecies and even Hollywood blockbusters! Will it be an asteroid hurtling towards us at unimaginable speed? Will we drown in the rising tides of climate change? Or will some unseen force, lurking in the depths of space, turn our world upside down in the blink of an eye?

Some say the world will end in fire, some say in ice. — Robert Frost

One scenario, more subtle and insidious than most, hides in plain sight much like a ticking time bomb — our own cosmic dearie, the Sun. However, solar flares aren’t something we often tend to notice let alone think about. Yet, every single day, our Earth faces atleast one or two solar flares, each of them containing the explosive energy of millions of volcanic eruptions. But the geo-magnetic field blanketing us, is our true guardian, safeguarding us as we continue with our lives, blissfully unaware of the danger lurking in the stars.

NASA has projected that this year, in 2025, the most powerful solar flare ever recorded will hit Earth! And according to what sources say, this time our magnetic field might not be enough to protect us. So, what might be the consequences for such an event? According to NASA, there will be only your flames spread everywhere and the earth will once again become a ball of fire. This solar flare is supposed to be so strong that the energy released is speculated to be equivalent to the explosion of a billion nuclear bombs.

Okay, that seems to have frightened a few of you, didn’t it? Relax — no one’s saying the world is ending just yet. But let’s be honest, the idea of the Sun showing such behaviour is enough to make anyone a little uneasy.

Let me quote an incident for you—perhaps, it might help you understand things a little better. Solar flares, though largely harmless to us so far, have a history that might actually surprise you.

About 165 years ago, in the year 1859, something extraordinary had happened. It was 11:18 A.M. and British astronomer, Richard Carrington was routinely observing the Sun through his telescope, studying its activity. Suddenly, an incredibly intense flash of light appeared in his viewfinder, blinding him momentarily. He thought it might be a technical issue or just a black fly passing by, so he ignored it. Little did he know that what he had just witnessed was no ordinary phenomenon but the start of a historic event that would shake the world.

The blinding light that Carrington observed was in fact, a plasma bomb, essentially the strongest solar flare ever recorded — hurtling toward Earth at millions of kilometers per second. The next day, this flare collided with geo-magnetic field of the Earth, creating a dazzling display. Auroras lit up the sky, with vivid colors painting the heavens. The lights were so bright that night seemed to turn into day, even confusing workers in gold mines who thought it was morning.

But the beauty was deceptive — more like the calm before the storm. As the charged particles from the solar flare penetrated Earth’s upper atmosphere, chaos erupted. Electrical equipment, telegraph systems and even light poles caught fire. Electric currents surged erratically, leading to widespread damage. Operators received shocks, systems malfunctioned, and thousands of lives were lost due to electrical fires and power failures. Hospitals, reliant on the primitive electrical systems of the time plunged into darkness to make situations worse.

Now, you might be thinking, “Well, it wasn’t that bad, right?” After all, the world might have probably recovered. But mind you, the technology of 1859 was nowhere near as advanced as it is today. Electricity was still in its infant stage. Fast forward to today, where 87% of the world relies on electricity — from smartphones and household appliances to data transmission centers and supercomputers — making the stakes for another such occurrence much higher than ever before.

Scientists warn that the next solar flare could be 100 times stronger than the one in 1859. The energy it would unleash could cause damage on a scale we can hardly fathom. It’s a grave concern because our modern world is so deeply intertwined with technology heavily reliant on electricity. To prepare for the same, NASA has deployed the Advanced Composition Explorer (ACE) Satellite to regularly monitor solar flares and radiation. However, even with this technology, we would hardly have about 30 minutes of warning if a massive solar flare were heading toward Earth — a near-impossible timeframe to prevent widespread destruction.

Okay! But why does this happen, you may ask. To understand this, we need to understand the Sun’s core first. At the center of the Sun, nuclear fusion reactions occur constantly, generating charged particles and magnetic fields. The Sun’s magnetic field which is initially organized, becomes tangled and stretched due to the massive gravitational forces. These distortions create dark spots called sunspots, where plasma is trapped. Over time, this plasma cools, condenses, and typically rains back onto the Sun’s surface. But occasionally, disturbances cause some of the plasma to break free, shooting out into the solar system as a solar flare.

These flares occur cyclically every 11 years as the Sun reverses its magnetic field. Such a phenomenon where the solar magnetic field flips its polarity after the end of a solar cycle is what scientists technically call a polar field reversal. The last significant flares had hit in 2014, and the next ones are predicted to peak this year. When these flares reach Earth, they first encounter our magnetic field and the satellites orbiting the planet. The impact can be devastating — damaging satellites and even causing them to crash to Earth.

To put this in perspective, a small fragment of a satellite falling to Earth could unleash enough energy to devastate regions the size of entire states like Maharashtra, Gujarat and Rajasthan combined. Now just try to imagine the destruction caused by over 5,500 satellites and countless other pieces of debris raining down. The consequences of a massive solar flare could be catastrophic, but understanding the science behind it helps us to somewhat prepare for what might come.

On an optimistic note, let’s say that since humanity has survived such events before, we’ll be able to somehow tackle them in future as well. Okay, but what about the aftermath? The high-voltage current generated by a magnetic storm could burn out all electrical appliances. If transmission towers fail, offices will experience power outages and the first sectors to feel the impact will be public transportation, healthcare and essential infrastructure.

Around 18% of India’s population (roughly 36.5 million people), use public transportation daily making Indian Public Transportation System (IPTS), one of the most heavily used in the world. If such a system grinds to a halt, imagine the chaos. Emergency services would be severely impacted, and something as simple as getting stuck in an elevator during a blackout could become a life-threatening situation due to complications like asphyxiation. Now, you might think, “I have my private vehicle; I’ll manage.” But rethink again — traffic signals would stop functioning, leading to gridlock, uncontrolled traffic, and innumerable accidents. Without electricity, emergency services wouldn’t be able to respond effectively to these incidents further making matters worse.

Hospitals, already stretched thin, would face devastating challenges. Patients on ventilators would not survive, and ICUs and other critical care systems would collapse. For perspective, the 13–14 hour outage in Northern UK during 2019 had affected 12.2% of hospital patients immediately. Now, multiply that impact exponentially — an outage in 2025 could last weeks, even months, bringing unprecedented loss to the global economy.

Electricity powers nearly every facet of our lives. Imagine the top five economies of the world with a combined GDP of over $48 trillion — crippled by prolonged outages. If the global economy suffers such a blow, the consequences would cascade across every sector, pushing millions into financial hardship.

But the economic impact is just the beginning. Simultaneously, the radiation from the solar flare would begin affecting living organisms as well. Increased exposure to such radiation could lead to a surge in diseases like skin cancer, while the immune systems of humans and animals would deteriorate, leaving them vulnerable to bacteria and viruses.

Yet, before we succumb to despair, let’s reflect on history. While such strong solar events have caused disruption, they’ve also revealed secrets about our planet and even contributed to its evolution. For instance, during the solar flare explosion of 774 AD, the sudden increase in atmospheric ¹⁴C levels reshaped Earth’s biological processes.

You might have perhaps studied this in a chapter called Environmental Chemistry during your 11th or 12th grade. For those who don’t know, here’s what happens. Cosmic rays separate neutrons from atoms in Earth’s atmosphere. These neutrons interact with N₂ to form ¹⁴C, which later combines with O₂ to create CO₂. Plants absorb this CO₂ necessary for photosynthesis. Scientists believe this process has played a pivotal role in the evolution of plants, animals, microbes and even humans. Without such interactions, life on Earth might not have evolved as we know it today.

In the end, it’s clear that solar flares aren’t inherently bad, but their effects are totally unpredictable. As we prepare for the challenges they present, it’s also important to recognize the role they’ve played in shaping life on Earth. These powerful bursts of energy have, in some instances, even contributed to our evolution.

However, while we continue to debate how the world might end, whether through war, climate change, or some other catastrophe — we must remember the quiet, unstoppable force lurking in our nearest star. The Sun, which gives life to everything on Earth, might one day be the very thing that takes it away. And when that day arrives, will we be ready or will we simply watch as the sky turns to fire, and our world slips into darkness?

From Carrington to Cataclysm was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

It happened to me a few months ago when I was pulling an all-nighter to meet assignment deadlines. I had skipped dinner that night. Hungry and needing a break, I grabbed a quick snack from Anna’s shop and started scrolling through social media. While in the process, a random YouTube short popped up which was about to give my understanding of the universe some serious perspective.

Let’s try to picture the colossally massive and infinitely bounded universe. In case you are unable to imagine, steal a glance at the picture above. What do you see? A vast number of bright spots (galaxies) connected to each other via thin wires to form a mesh-like structure. Are you able to relate this picture with something else which is significant ? A small hint. Everyone has it, but not all use it. Voila! Its the human brain! But on a serious note, have you ever thought about this ? Apparently, this isn’t a strange coincidence but rather something which has baffled scientists all around the world for quite a lot of time. At first it didn’t bother me. But later that night, after completing everything and as I was about to sleep, I started getting more curious after I got to know about an interesting incident.

Flashback to 2020, astrophysicist Franco Vazza and neuroscientist Alberto Felletti made a groundbreaking discovery. They were performing some experiments within the different regions of the human brain. There was nothing strange as such until when the magnification was made about 40x, they found that the structures visible in the sample closely resemble the cosmic web of the universe. Their findings gained more traction when the samples were compared with the images of the universe captured by NASA’s James Webb Space Telescope, subsequently.

They had analyzed the samples meticulously under higher magnifications. After some months of serious investigation, they came up with another similarity. Some say that there are nearly 100 billion-200 billion galaxies in the observable universe whilst others have kept the threshold up to 2 trillion. And, do you know how many neurons are there in a human brain? Nearly 86 billion. Seems like a large gap ? Interestingly, the proportion of neurons in the brain is strikingly similar to the proportion of galaxies in the universe. Besides that, there is one more striking similarity between the brain and universe. The remaining non-neuronal portion of the brain does not interact much with each other. Similarly, the universe is also mostly made up of dark matter, which doesn’t interact with normal matter. Phenomenal! Isn’t it?

There is also a branch of philosophy dedicated to this hypothesis known as panpsychism which says that everything in the universe has a mind or a mind-like quality and so does the universe itself.

The major role we can associate with the brain is to think, reason, control and remember. But, do you know how we give birth to random thoughts? You can understand it like this-at the microscopic level, whenever there is a sudden disturbance in the brain, the neurons get excited and tend to influence the adjacent neurons which in turn generates an electrical impulse to carry information from one part of the brain to the desired location, triggering the necessary action. Similarly, whenever one celestial entity collides with another, either due to their gravitational attraction or some other astronomical phenomena, they tend to influence entities around them. And this is how cosmic events are born.

Don’t you feel that such ideas are wildly crazy? But do you know the real reason behind all the hype about this in the scientific community? Scientists have long been searching for something called as the “theory of everything” — a unifying theory providing a so-called “god equation” which can perhaps explain the universe in its entirety ranging from subatomic particles to colossal black holes. Broadly speaking, an equation capable of reconciling both the classical and quantum theories, which presently are poles apart and hence incompatible outside their domains.

But, in future, if someone were able to find this missing piece and establish a connection between them, then it would be a monumental breakthrough in the history of humankind, perhaps the biggest, in my opinion. Not only would it earn them a Nobel Prize, but more importantly, it would also revolutionize our understanding of the universe.

As we know, every coin has two sides. Naturally, there are a plenty of folks at the table who aren’t convinced yet, and why should they be? After all, isn’t science all about poking and prodding, asking questions, trying to disprove each others theories and demanding solid proof before we buy into any such wild ideas? It’s like that friend who always needs to see the receipts before paying up the bill — and hey, that skepticism keeps us honest and on our toes!

Some scientists argue that this is clearly a case of confirmation bias. To give an essence, this idea says that we see things the way we want to see them, even if it is not true. In other words, we interpret the world around us and tend to recall information aligning with our pre-existing beliefs. To illustrate, consider the viral example from a few years ago when news circulated about a crater on the moon resembling a human face. Despite scientific explanations indicating the crater’s formation as a natural phenomena, individuals with preconceived notions started speculating about extraterrestrial life. However, upon viewing from a different angle, the crater no longer resembled a face.

For those who are convinced that the universe is much similar to the brain, there exists a major loophole that casts doubt upon this belief. Our brain, with a size of just a few centimeters, processes information at a speed of about 100 meters per second, constrained by its physical dimensions. In contrast, the observable universe spans billions of light-years, and everything within it travels at or near the speed of light. This would mean that for information to traverse such distances in the universe, it would require hundreds of billions of years to just merely come into existence which clearly exceeds the current estimated age of the universe (approximately 13.8 billion years).

As such, what can we ultimately conclude? Are we living inside the mind of someone, or is the universe itself a self-aware entity? Perhaps, this question remains unanswerable with today’s level of scientific understanding. However, one thing is clear that our understanding of the universe and our place within it still has a long way to go. The research carried out by Dr. Vazza and Dr. Felletti has indeed sparked curiosity and debate within the scientific community, pushing the boundaries of our current knowledge and encouraging us to contemplate the possibilities that lie ahead.

Let’s keep our imaginations vivid and our curiosity ablaze as we journey through the wonders of the cosmos. Until next time, remember to stay curious and keep the spirit of exploration alive!

Universe : The Cosmic Brain was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

Imagine a planet drifting through the dark, cold void of space, with no star to orbit and no neighboring planets to keep it company. This is the reality for PSO J318.5–22, a rogue planet that has been wandering the cosmos alone for nearly a billion years. For the sake of this article, let’s call this planet “Drifter” instead of “PSO J318.5–22,” which is extremely hard to pronounce and remember.

What is PSO J318.5–22 aka the drifter?

Drifter is a rogue planet, a celestial body that floats freely in space without the gravitational anchor of a star. Discovered in 2013, this forlorn world is situated about 80 light-years away from Earth, drifting aimlessly through the cosmos. For nearly a billion years, it has roamed the freezing depths of space, far from the warmth and light of any sun. With no moons to accompany it and no neighboring planets to share its journey, Drifter a planet truly alone in cosmic solitude.

The Life of a Rogue Planet

Rogue planets like drifter are some of the most mysterious and enigmatic worlds in our galaxy. Unlike planets bound to a star, these wanderers travel through the eternal darkness, orbiting the galactic center in a lonely voyage. The process of planet formation is inherently chaotic and violent. Collisions and gravitational disruptions can eject a planet from its parent star, condemning it to drift alone in the interstellar void. Without the gravitational pull of a star, these planets might retain the heat of their formation for millions of years, but eventually, they cool and decay, becoming frigid, desolate spheres.

Formation and Ejection of Rogue Planets

The chaotic nature of planetary system formation often results in the ejection of planets. Violent collisions or close encounters with other planets can alter a planet’s velocity enough to send it hurtling into space. This process, akin to a “gravity assist,” can leave a planet like drifter to wander the galaxy alone. Occasionally, these ejected planets may drag a moon along, but more often than not, they are solitary travelers. The mechanisms behind such dramatic expulsions are still a subject of intense study, providing a glimpse into the turbulent processes that shape planetary systems.

Discovering Rogue Planets

Detecting rogue planets is a formidable task due to their isolation and lack of a star to illuminate them. However, advancements in technology, such as powerful telescopes and infrared imaging, have enabled astronomers to identify these elusive objects. Drifter was discovered using the Pan-STARRS 1 wide-field survey telescope in Hawaii. This telescope, with its ability to detect faint infrared signatures, helped identify the unique characteristics of this rogue planet, highlighting its solitary nature and enigmatic existence.

The Significance of Rogue Planets

The discovery of rogue planets like drifter provides insights into the formation and dynamics of planetary systems. These solitary wanderers help scientists understand the processes that can lead to a planet’s ejection and offer a glimpse into the early, chaotic stages of planetary formation. Studying rogue planets also raises profound questions about the potential for life in such extreme environments and the possibility of other lonely worlds in our galaxy. These planets challenge our understanding of habitability and the resilience of life in the cosmos.

The Future of Rogue Planet Research

Future missions and technological advancements promise to deepen our understanding of rogue planets. New and powerful telescopes like the James Webb Space Telescope and the Extremely Large Telescope will provide more detailed observations of these mysterious objects. As our ability to detect and study rogue planets improves, we may uncover more about their origins, characteristics, and the role they play in the cosmic landscape. These advancements will likely lead to the discovery of even more rogue planets, enriching our understanding of the diversity and complexity of planetary systems.

Stories of Other Rogue Planets

While Drifter is a fascinating example of a rogue planet, it is not alone in its cosmic solitude. Several other rogue planets have been discovered, each with its own unique story.

CFBDSIR J2149–0403

CFBDSIR J2149–0403 is another rogue planet, discovered in 2012, about 130 light-years from Earth. It is slightly larger than Jupiter and emits a faint, reddish glow from the residual heat of its formation. This planet’s isolation and its relatively young age — estimated to be between 50 and 120 million years old — make it an intriguing subject for scientists studying planetary formation and evolution. The discovery of CFBDSIR J2149–0403 has provided valuable insights into the atmospheric properties and thermal evolution of rogue planets.

WISEA J114724.10–204021.3

WISEA J114724.10–204021.3, discovered in 2016, is another rogue planet that has captured the attention of astronomers. Located approximately 100 light-years away, this planet is notable for its cool temperature, around 250 degrees Celsius, making it one of the coldest rogue planets discovered. The unique characteristics of WISEA J114724.10–204021.3 have helped scientists refine their techniques for detecting and studying these elusive objects, contributing to our broader understanding of planetary diversity.

SIMP J013656.5+093347

SIMP J013656.5+093347 is a massive rogue planet discovered in 2018, about 20 light-years from Earth. It is around 12 times the mass of Jupiter and has a strong magnetic field, which produces stunning auroras. This planet’s magnetic properties and the presence of auroras have provided astronomers with an unprecedented opportunity to study the magnetic fields of rogue planets. The discovery of SIMP J013656.5+093347 has highlighted the potential for rogue planets to have dynamic and complex magnetic environments.

A Poetic Reflection on PSO J318.5–22

PSO J318.5–22 drifts through the vastness of space, a solitary beacon of loneliness in the cosmos. It is a reminder of the isolation that can exist even within the grandeur of the universe. This lonely planet, far removed from the warmth of any star, continues its journey through the cold, dark void, a testament to the chaotic and dynamic nature of the universe. By studying rogue planets, we gain a deeper understanding of the forces that shape planetary systems and the incredible diversity of worlds that exist beyond our solar system.

As we look up at the night sky, we are reminded of the countless mysteries that still await discovery in the cosmos. PSO J318.5–22, the loneliest planet, drifts silently, a solitary traveler in an infinite expanse. Its journey is a poignant reflection of the universe’s boundless solitude and the enduring quest for knowledge that drives us to explore the unknown. The stories of other rogue planets, each unique in their isolation and characteristics, enrich our understanding of the universe’s complexity and the myriad paths that celestial bodies can take. These solitary travelers remind us of the vastness of space and the endless mysteries that lie beyond our reach, waiting to be discovered.

PSO J318.5–22 was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

It is with a heavy heart that we acknowledge the passing of Peter Higgs, a brilliant mind whose contributions to physics have left an indelible mark on our understanding of the universe. As we pay tribute to his life and work, let us reflect on the profound impact he has had on the world of science.

Peter Higgs’ legacy in the field of physics is not just about the discovery of the Higgs boson; it represents the triumph of human curiosity and perseverance in the face of skepticism and uncertainty.

Imagine being Peter Higgs in the early 1960s, a time when the scientific community was focused on other theories and ideas. He was like a lone explorer, charting a course through uncharted waters, with no one to guide him but his own intuition and intellect. As he delved deeper into his research, he began to see patterns and connections that others had overlooked. He saw a gap in our understanding of particle physics, a missing piece in the puzzle that could explain why particles have mass.

Higgs’ idea was bold and revolutionary. He proposed the existence of a new particle, the Higgs boson, which would interact with other particles to give them mass. This concept was so groundbreaking because it was the final piece of the puzzle in the Standard Model of physics that had not yet been discovered. The Standard Model is our current best “theory of everything” in physics, so finding the Higgs boson was massively important. Its existence also demonstrated the predictive power of the Standard Model, validating decades of research and theory.

The pursuit of the Higgs boson was not an easy one. It required the collaboration of thousands of scientists and engineers from around the world, working together to design and build the Large Hadron Collider (LHC), the world’s largest and most powerful particle accelerator. Located near Geneva, Switzerland, the LHC consists of a 27-kilometer ring of superconducting magnets and accelerating structures that propel particles to nearly the speed of light. By colliding these particles together, scientists were able to recreate the conditions of the early universe and study the fundamental forces at play. The LHC is a technological marvel, capable of smashing particles together at near-light speeds to recreate the conditions of the early universe. It was through the LHC’s experiments that the existence of the Higgs boson was finally confirmed in 2012.

For Peter Higgs, this discovery was the culmination of a lifetime of dedication to his work.

He once said, “Nobody else took what I was doing seriously, so nobody would want to work with me. I was thought to be a bit eccentric and maybe cranky.”

But he never wavered he kept at it, stayed true to his ideas, and in the end, his persistence paid off big time. It’s a reminder that sometimes you have to trust your gut, even if others don’t see your vision at first. Who knows, you might just end up changing the world!

From a physics perspective, the Higgs boson is one of the coolest particles out there. It is through interactions with the Higgs field that particles gain mass, which is mind-blowing to me, even though I mostly don’t understand the maths. To think that something as fundamental as mass is the result of a particle interacting with a field is truly awe-inspiring.

Peter Higgs’ legacy will live on in the annals of physics, inspiring future generations of scientists to push the boundaries of knowledge and explore the mysteries of the cosmos. As we remember his life and work, let us honor his memory by continuing to pursue the truths that lie hidden in the fabric of the universe. To Peter Higgs, Rest in Peace.

Remembering Peter Higgs was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

The last few months witnessed an extraordinary array of achievements and discoveries in the world of space exploration. From historic sample returns to groundbreaking exoplanetary observations, these months showcased the tireless efforts of space agencies worldwide. Let’s take a closer look at the highlights that defined this remarkable month in space.

ISRO’s Chandrayaan 3

As we all know, the achievement of ISRO’s Chandrayaan 3 mission in August was indeed groundbreaking.

The Chandrayaan-3 mission has successfully achieved its three main objectives:

1. Demonstrated a safe and soft landing on the lunar surface.
2. Successfully operated a rover on the moon.
3. Conducted in-situ scientific experiments, with all payloads performing as expected.

The in-situ experiments included:-

The Instrument for Lunar Seismic Activity (ILSA) on the Chandrayaan-3 lander is the first of its kind on the moon. This payload measured ground vibrations generated by natural moonquakes, impacts, and artificial events. It has recorded the movements of the rover and other payloads and a seemingly natural event on August 26, 2023, which is currently under investigation.

Fun fact: This instrument has six accelerometers (A device that measures the vibration or acceleration of motion), all indigenously manufactured using high-level precision silicon micromachining.

The Chandra’s Surface Thermophysical Experiment (ChaSTE) onboard the Vikram Lander measured the temperature profile of the lunar topsoil around the pole. This data helped us understand the thermal behavior of the moon’s surface. The graph below illustrates the temperature variations of the lunar surface at various depths, as recorded.

The Laser-Induced Breakdown Spectroscope (LIBS) instrument on the rover has confirmed the presence of Sulphur (S) in the lunar surface near the south pole, along with other expected elements. This tool uses strong laser beams to heat soil and rock. This intense heating creates very hot and ionized plasma that gives off light. The specific colors of light tell us what elements are present in the material because each element has its own unique set of colors when it’s in this ionized plasma state.

The RAMBHA-LP payload on board the Chandrayaan-3 Lander has achieved a significant milestone by conducting the first-ever measurements of the lunar plasma environment near the surface, specifically in the south polar region. Preliminary findings suggest that the plasma concentration near the lunar surface is relatively low.

Not only did India become the first country to successfully land on the south pole of the Moon and conduct so many groundbreaking experiments, but it also surpassed its initial mission objectives with a remarkable hop experiment conducted by Vikram Lander. This achievement is even more impressive because it caught the world off guard. ISRO never let on about this ambitious move.

During this experiment, the lander’s engines were fired on command, causing it to elevate itself by 40 cm and then safely land at a distance of 30 to 40 cm away. This seemingly small hop holds immense significance for the future of lunar exploration. It is a pivotal step towards enabling sample return missions and, ultimately, human missions to the Moon.

This hop experiment showcases India’s emergence as a prominent player in lunar exploration, second only to the United States to ever achieve this milestone.

This precision ensures a safe landing and lays the groundwork for future missions aiming to bring back valuable samples from the Moon, provided we have suitable propulsion systems.

Aditya-L1: India’s Solar Observatory

In the vast space, human exploration has taken us far beyond the confines of our own planet. The latest milestone in this journey is the Aditya-L1, India’s first space-based observatory designed specifically to study the Sun; launched on September 2, Aditya-L1 is already advancing our understanding of the celestial body that gives us light and warmth.

The spacecraft has surpassed the 9.2 lakh-kilometer mark from Earth, successfully breaking free from Earth’s gravitational grasp. It is currently charting a course towards the Sun-Earth Lagrange Point 1 (L1), a crucial vantage point in the solar system acting as a cosmic parking spot between two gravitational bodies because, in this area, a satellite is neither attracted nor repelled by either body. Aditya-L1, which will be stationed at L1, will take full advantage of this phenomenon. It will revolve around L1, enabling constant observation of the Sun while maintaining the ability to communicate with Earth. This positioning requires minimal fuel for orbit maintenance, making it a highly efficient arrangement.

This marks the second occasion where the Indian Space Research Organisation (ISRO) has sent a spacecraft beyond Earth’s sphere of influence, the first being the Mars Orbiter Mission. This achievement again showcases India’s growing prowess in space exploration, especially in the intricate aspects of orbital maneuvering, which are considered the most challenging.

On September 18th, Aditya-L1 successfully started its mission of collecting scientific data. The STEPS instrument’s sensors have begun to measure supra-thermal and energetic ions and electrons at distances surpassing 50,000 km from Earth.

As Aditya-L1 progresses, the magnetometer will be turned on within a few days to measure interplanetary magnetic fields at the L1 point.

Aditya-L1 is equipped with a range of payloads that will deepen our understanding of the Sun. These instruments are not limited to detecting just solar flares and CMEs.

MOXIE’s Martian Oxygen Production

NASA’s MOXIE experiment aboard the Perseverance rover showcased its capability to generate oxygen on Mars for the 16th time. This development is a significant stride toward demonstrating the feasibility of extracting oxygen from Mars’ atmosphere, which could be invaluable for future astronauts, providing a source of breathable air and even rocket fuel.

Since Perseverance landed in 2021, MOXIE has generated a total of 122 grams of oxygen. At its most efficient, it produced 12 grams of oxygen an hour — twice as much as NASA’s original goals for the instrument — at 98% purity or better.

The current version of MOXIE serves as a prototype or technical demonstration to test the functionality of a potentially larger version known as BIG MOXIE. This larger version will have increased size, wattage, and volume, designed to adequately meet astronauts’ oxygen needs. This development will mark a significant stride in addressing a critical challenge for manned Mars missions: the scarcity of oxygen.

Atmospheric observations from previous missions have revealed that 96% of Martian air is composed of carbon dioxide. To realize our ambition of sending humans to Mars, we are presented with two alternatives: transport our own oxygen or manufacture it on Mars itself. The former option is considerably less practical and comes with an expiration date. We need to generate our own oxygen to avoid a shortage of breathable air. However, MOXIE’s impressive performance showed that it is feasible to extract oxygen from Mars, and it is one small step toward Mankind on Mars.

OSIRIS-REx Capsule Touchdown: A Historic Milestone

In a momentous event, the OSIRIS-REx sample capsule gently touched down at the Utah Test and Training Range after an awe-inspiring 3.86-billion-mile journey. This mission stands as a groundbreaking achievement, representing the first-ever sample return of its kind, promising insights into the early stages of our solar system’s formation.

Bennu, a near-Earth asteroid, was chosen as the mission’s target due to its intriguing characteristics. On October 20, 2020, OSIRIS-REx executed a balletic touchdown on Bennu, its robotic arm delicately caressing the asteroid’s surface to procure a cosmic treasure.

A few days before, on Sept 24, the OSIRIS-REx spacecraft gracefully bid farewell to its cosmic companion, releasing the capsule containing a piece of asteroid Bennu.

At 8:22 pm IST the next day, after a staggering 3.86-billion-mile journey, the OSIRIS-REx sample capsule made its triumphant touchdown at the Utah Test and Training Range. After that, it was stored in a temporary clean room and later transported to NASA Johnson Space Center.

The initial curation process of the material in the canister, which was opened on Monday, Sept. 25, is moving slower than anticipated due to the abundance of material found inside the lid and the base surrounding it, which is good news. Testing of the sample will begin soon and, hopefully, present answers to solve the cosmic mystery that is the early stage evolution of our solar system. For an in-depth exploration, read more in this highly recommended article by Nakshatra here. For now based on initial results the material retrieved showed presence of organic compounds and water.

Webb Telescope’s Revelation: Exoplanet K2–18 b

The James Webb Space Telescope (Webb) made an astounding discovery by detecting the presence of carbon dioxide (CO2) and methane (CH4) on the exoplanet K2–18 b, an exoplanet 8.6 times as massive as Earth and 120 light-years from Earth.

This revelation ignited hopes of finding potential habitable environments beyond our solar system, hinting at the possibility of a water ocean beneath a hydrogen-rich atmosphere. Additionally, initial observations hinted at the presence of dimethyl sulfide (DMS), a microbial indicator commonly only found in marine environments.

The team now intends to conduct follow-up research with the telescope’s MIRI (Mid-Infrared Instrument) spectrograph, which they hope will further validate their findings and provide new insights into the environmental conditions on K2–18 b. Truly one of the biggest reveals of all time. The James Webb Telescope is indeed one of the most incredible instruments ever made by humanity, and its technological prowess is very evident from observations like these; it is truly a revolutionary instrument taking us to new heights in our search for extraterrestrial life.

But this was not all The JWST also made one more yet another astounding discovery by detected quartz nanocrystals in the high-altitude clouds of WASP-17 b, a hot Jupiter exoplanet 1,300 light-years away! This marks the first time silica (SiO2) particles have been spotted in an exoplanet atmosphere.

Researchers at NASA are astounded by this unexpected revelation. The presence of tiny quartz crystals challenges previous assumptions about exoplanet cloud composition. In contrast to Earth’s clouds, these quartz crystals, measuring about 10 nanometers in diameter, form directly from gas due to extreme heat and pressure on WASP-17 b. Understanding these clouds provides crucial insights into the planet’s makeup. It’s likely that winds, moving at tremendous speeds, circulate these glassy particles around the planet.

This finding revolutionizes our comprehension of exoplanet atmospheres and cloud formation. WASP-17 b is one of three planets targeted by the JWST-Telescope Scientist Team’s Deep Reconnaissance of Exoplanet Atmospheres using Multi-instrument Spectroscopy (DREAMS) investigations which are designed to gather a comprehensive set of observations of one representative from each key class of exoplanets: a hot Jupiter, a warm Neptune, and a temperate rocky planet. Greatness lies ahead.

Milestones Achieved in India’s Gaganyaan Mission

The Gaganyaan mission, will be India’s attempt to launch at least three astronauts to low-Earth orbit. However, before this ambitious feat can be realized, there are several crucial steps that must be meticulously executed. One pivotal milestone in this journey was the TV-D1 mission that took place on Sat, 21 Oct, 2023. The initial launch timings were 8 AM but there was momentary hold up which was prompted by a minor ‘monitoring anomaly’ detected by the ground computer just seconds before the launch timings. Subsequently, after resolving the issue, the launch took place at 10 AM.

After a very successful launch the Gaganyaan’s main parachutes were successfully deployed after a flawless abort maneuver was executed by the high altitude escape motors, followed by the seamless separation of the Crew Escape System (CES). Later, the vessel splendidly splashed down in Bay of Bengal were it was recovered by our very own Indian Navy.

In this the Crew Module (CM) was equipped to record invaluable flight data, ensuring thorough system performance evaluation. This mission replicated an abort scenario during ascent, mimicking Mach 1.2 speed (1,482 kmph) anticipated in the Gaganyaan mission. The CES parted ways with the Test Vehicle at an altitude of approximately 17km. The autonomous abort sequence kicked in post-separation, initiating CES detachment, parachute deployment, and culminating in a secure CM touchdown about 10km off the Sriharikota coast.

The Success achieved here paves the way for subsequent qualification tests and unmanned missions, ultimately leading to the historic Gaganyaan mission with Indian astronauts.

NASA’s Psyche Mission

The highly anticipated NASA Psyche mission took off without a hitch at 7:49 PM IST, propelled by a SpaceX Falcon Heavy rocket. Despite challenging weather conditions, the mission planners wisely opted for a Friday, October 13th launch, prioritizing safety above all. Following the successful liftoff, the spacecraft achieved a seamless separation from the rocket, marking a significant milestone in the mission’s journey. The Psyche spacecraft is now en route to rendezvous with a metal-rich asteroid.

Once again, SpaceX’s rockets demonstrated their remarkable resilience under extreme launch conditions, solidifying their reputation for reliability in the face of adverse weather.

Approximately two hours after launch, the NASA team received the spacecraft’s complete signal. Initial telemetry reports are positive: the Mission To Psyche is in excellent condition, and if everything goes according to plan the spacecraft in august of 2029, after a six-year journey of about 2.2 billion miles (3.6 billion kilometers), should start orbiting the asteroid for at least 26 months for collection of data

In the wake of this successful launch, the Mission To Psyche team will dedicate approximately 100 days to comprehensive checks, ensuring all systems are operating optimally before transitioning to cruise mode. Following this phase, a critical slingshot maneuver with the assistance of Mars will be executed to position it towards the asteroid.

Beyond its primary objective of asteroid exploration, the Psyche mission harbors groundbreaking advancements in communication technology. The mission will test a sophisticated laser communication system know as DSOC that encodes data in photons, for deep space communication with Earth. By utilizing light instead of radio waves, the spacecraft can transmit more data in a given amount of time, representing a significant leap in interplanetary communication capabilities.

Spectacular ‘Ring of Fire’ Solar Eclipse of ’23

In a captivating celestial event that unfolded on October 14th, 2023, skywatchers around the world were treated to the awe-inspiring display of a ‘ring of fire’ solar eclipse.

This rare phenomenon, known as an annular solar eclipse, took place as the moon reached its farthest point from Earth. At this juncture, the moon appeared slightly smaller than during a total solar eclipse, allowing a radiant ring of sunlight to encircle its edges.

On that fateful Saturday, October 14, 2023, millions of eyes were turned skyward as the annular total solar eclipse graced the northwestern United States, traversed through Mexico, Central America, and made its exit in Brazil. Regrettably, this celestial extravaganza remained hidden from view in India.

The event was a visual marvel, with its beauty and grandeur leaving a lasting impression on those fortunate enough to witness it. The next solar eclipse visible from India is anticipated to occur in 2031, promising another momentous celestial spectacle for eager sky watchers.

As we gaze into the boundless expanse of the cosmos, these remarkable achievements and events stand as a resounding tribute to the boundless potential of human intellect and our ceaseless quest for understanding that reaches far beyond the confines of our terrestrial abode. Brace yourselves for an extraordinary odyssey of cosmic exploits poised on the precipice of revelation and wonder! It is going to be an unparalleled journey into the depths of the universe, where the mysteries of the cosmos await our eager exploration, promising revelations that will redefine the very essence of human existence.

Celestial Highlights was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

Have you ever wondered what happens when a star collapses under its own weight, creating a cosmic entity so powerful that not even light can escape its grasp?

We all love outer space, and most of us are completely fascinated by the inner workings of mysterious, complex structures like black holes and simple stars because even the simplest of them are incredible.

Black holes are incredibly intriguing and peculiar objects in space. They push the boundaries of what we know about the basic rules of physics, especially regarding how gravity works.

The tale of black holes showcases the incredible might and complexities of the universe. Even though gravity is one of the least powerful fundamental forces, it has a massive influence on the fate of celestial objects.

These structures eventually face a battle against gravity, the force that formed them. When they can’t handle the pressure from gravity anymore, some of them explode, releasing immense energy. But the story doesn’t end there. The leftover bits from these explosions can transform into different things, like red dwarfs that burn for a long time or even stranger things like black holes, where gravity’s pull is so strong that even light can’t escape. Suppose the mass of the remaining core after a star’s collapse is greater than 3 to 4 times that of our Sun (referred as Tolman–Oppenheimer–Volkoff limit). In that case, two scenarios will lead to the formation of a black hole: first, if the original star was exceptionally massive & second if the core gains more mass through the accretion (accumulation) of additional matter.

Under these conditions, nothing can halt the gravitational collapse. No known force is potent enough to counteract this implosion. Consequently, the core will inevitably collapse, creating a black hole.

This interplay of forces, where gravity shapes the fate of stars and leads to the formation of black holes, paints a picture of a universe that’s both delicate and incredibly powerful. It shows how even the smallest forces can create the most amazing structures, only for these structures to later face a big struggle against the very force that made them.

Earlier on, black holes used to be just a theoretical idea, not completely grasped or acknowledged. Initially, they only existed as equations; whether they truly existed was uncertain. At one time, most people doubted the idea of black holes, deeming it purely theoretical. It wasn’t until later that we acquired solid evidence affirming the presence of these cosmic entities behaving like universal vacuum cleaners.

During World War I, Karl Schwarzschild, a pioneering figure in astrophysics, made the groundbreaking discovery of black holes within Einstein’s equations. He used to calculate artillery trajectories, but during his free time, he somehow came across Einstein’s paper and formulated this concept in the bunkers where they sought shelter after solving Einstein's field equations- that relates the geometry of spacetime to the distribution of matter within it.

Through his exploration of equations for a non-rotating, spherically symmetric mass, Schwarzschild stumbled upon a solution with profound implications: a point of infinite density surrounded by an invisible boundary, now known as the event horizon. This mathematical solution depicted an incredibly compact and dense entity possessing a gravitational force so powerful that even light could not escape it. This phenomenon is now recognized as a black hole.

Initially met with skepticism, Schwarzschild’s theoretical contributions eventually became a cornerstone of modern astrophysics. This, in turn, led to the widespread adoption of the term “black hole” in the 20th century.

Fun Fact - In 1939, Einstein himself attempted to demonstrate the impossibility of the existence of black holes based on his general relativity theory. But shortly after this, J.R. Oppenheimer, our very own father of the atomic bomb, and his student Hartland Snyder introduced the Oppenheimer-Snyder model in their paper “On Continued Gravitational Contraction,” which predicted the existence of black holes. Interestingly, Oppenheimer and Snyder didn’t reference Einstein’s recent work. Instead, they just employed Einstein’s own theory of general relativity to outline the conditions under which a black hole could form. This marked a significant development in contemporary physics.

Over the decades, astronomical observations gradually provided evidence supporting the existence of black holes. Black holes do not give off electromagnetic radiation, therefore, when astrophysicists seek to detect black holes, they often rely on indirect methods. One way to do this is by observing the gravitational effects a black hole has on its surrounding environment.

For example, observations of binary star systems, where a black hole interacts with a companion star, revealed telltale signs of massive, unseen objects. The intense gravitational pull on nearby matter indicates a black hole’s presence.

And thus, black holes were coined as the cosmic vacuum cleaners of our universe. But that all changed when In an article titled “Black Hole Explosions?” Stephen Hawking’s mind-bending revelation was that black holes aren’t the cosmic vacuum cleaners we once thought — they can emit particles and energy! This groundbreaking idea, known as Hawking radiation, transformed how we perceive black holes. The energy depletion also signified that black holes have a finite lifespan, gradually dissipating or decaying over time.

Returning to the present day world, scientists worldwide are fervently working towards achieving a thorough comprehension of black holes, and it is still evolving very fast & in recent years, advancements in technology, such as gravitational wave detectors like LIGO (Laser Interferometer Gravitational-Wave Observatory), have further bolstered the evidence for black holes. These instruments have detected the ripples in spacetime caused by the cataclysmic events involving black holes, providing direct evidence of their existence.

Now, let’s look at what a black hole is made of; At the heart of a black hole lies a mysterious region known as the event horizon. Inside the event horizon, the escape velocity surpasses the speed of light. This means that even if something could travel at the speed of light (which is currently considered impossible for massive objects according to our current understanding of physics), it would still be unable to escape the gravitational pull.

Per general relativity, a massive object’s presence distorts the spacetime fabric. This distortion leads to bending the path particles follow towards the mass. As an object gets closer to the event horizon of a black hole, this distortion becomes so extreme that there are no routes leading away from the black hole.

Deeper within the black hole, at the very core, lies the singularity. This is a point of infinite density, where the laws of physics break down as we comprehend them. It’s a place where our current theories, including general relativity, need to provide a coherent explanation. A spacetime singularity, or simply a singularity, represents a state where the force of gravity is predicted to become so immensely powerful that the very fabric of spacetime itself would undergo a catastrophic breakdown.

Consequently, a singularity, by its nature, is no longer considered a part of the conventional spacetime framework, and its location or moment in time cannot be precisely determined. These gravitational singularities occupy a critical intersection between general relativity, which governs large-scale cosmic phenomena, and quantum mechanics, describing the behavior of particles at scales smaller than the atomic scale. Because of this, understanding the properties of a singularity necessitates formulating a unified theory that combines both of these fundamental branches of physics, often referred to as quantum gravity. Defining singularities within the framework of general relativity, which currently stands as the most robust theory of gravity, remains a formidable challenge.

Have you ever wondered what might occur if you were to venture into a black hole? While you may have your own thoughts on the matter, let’s turn to the scientific community for their perspective. They articulate it as follows: “Our comprehension of physics reaches its limits, and we’re left uncertain about the outcome.”

But there is one possible scenario about what will happen if you were to enter a black hole.

First, as you approach a black hole, the tidal forces become so strong that they would stretch and compress your body, a phenomenon often called spaghettification. This would be a fatal experience. But let’s say you somehow survived with the help of an awesome suit designed to prevent any kind of damage, irrespective of the radiation, heat, and absolutely incredible force you would experience.

Once you pass the event horizon, if you pass it, you enter a place so strong that not even light can escape. Due to the intense gravitational field, time would pass much more slowly for an observer near the event horizon compared to an observer far away. This means that for you, time would appear to be frozen.

Some speculative theories involve black holes potentially connecting to other regions of space-time through wormholes. These ideas often involve exotic forms of matter with negative energy density. Who knows what will happen then? Black holes might be gateways to parallel universes or even a hole in a multiverse. However, these are just speculations, and for now, there isn’t even a mathematical model for this multiversal universe.

Black holes are cosmic enigmas, pushing the boundaries of our understanding of the universe. From their theoretical beginnings to the recent confirmations, they continue to captivate the imagination of scientists and the public alike, offering a compelling window into the deepest mysteries of the cosmos.

Black Holes and Singularity was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.

The realm of space exploration has always sparked a curiosity, from the days of stargazing to the discoveries of telescopes and beyond, leading to various innovations in space observation through numerous techniques. This has offered the opportunity to explore space and celestial objects free from the interference of the Earth’s atmosphere, dust, aerosols, and clouds. Today, India is at the forefront of this cosmic journey, with a series of phenomenal space missions on the horizon.

However, we can’t neglect the fact that venturing into space is a formidable challenge, requiring the ability to overcome Earth’s gravitational pull and a countless number of sophisticated technologies. This is just the beginning of the story. To sustain space-based observations, we require stable orbits, ground stations for data communication between space and Earth, and the ability to send commands to space. The rapid pace of technological advancement in this field is a testament to the unfaltering curiosity of scientists, pushing for innovative ways to explore the vastness beyond our planet. This drives the study of various aspects of space science and technology, leading to new frontiers of understanding.

Our solar system resides within the Orion Arm, a spiral arm of the Milky Way, approximately 28,000 light-years away from the Galactic center. This location is a relatively calmer area as opposed to the Galactic core.

Our perspective within the Milky Way allows us to understand the majestic band of the galaxy stretching across the night sky, but to fully comprehend its structure and shape remains a challenge. Thanks to meticulous studies involving observations from telescopes and space missions, scientists have gradually pieced together a more comprehensive understanding of the Milky Way’s structure and dynamic characteristics and are still continuing to do so.

Moving onto some of the space research and exploration that comprise a diverse array of techniques that enable scientists to study the vast expanse beyond our planet, these techniques include theoretical modeling, computer simulations, laboratory experiments, ground-based observations, space-based observations, and the emerging domain of Big Data Analytics.

The bedrock of this pursuit is theoretical modeling, which serves as a foundational tool, providing mathematical frameworks and models to describe various physical phenomena.

Computer simulations, on the other hand, allow scientists to recreate complex space environments in a virtual setting, enabling the study of events such as galaxy formation, star evolution, and the dynamics of celestial objects.

Laboratory simulation is a powerful technique involving controlled experiments on Earth to replicate specific space conditions. This involves sophisticated equipment capable of mimicking extreme temperatures, vacuum, and radiation encountered in different parts of the universe.

Ground-based observations utilize telescopes, radio antennas, and other instruments on Earth to observe and study celestial objects, collecting data across the electromagnetic spectrum. This approach provides insights into planetary movements, star formation, black holes, and other astronomical phenomena.

Space-based observation transcends Earth’s atmosphere, granting unobstructed views of the universe across different wavelengths. They provide unique vantage points strategically advantageous locations for observing celestial objects and processes, which are often inaccessible from Earth’s surface. Space telescopes are particularly valuable in this regard, allowing detailed examinations of distant galaxies, exoplanets, and various celestial processes without the distortion caused by atmospheric interference.

Every successful space mission follows a similar path involving crucial steps. It’s important to understand that a single mission cannot provide the ultimate answer to a fundamental question. Instead, the collective effort of numerous scientists and engineers planning multiple space missions contributes diverse perspectives to address semi-fundamental questions. Arriving at a comprehensive answer to a fundamental question requires synthesizing information from various sources, including space missions, ground observations, simulations, and modeling. A holistic and philosophical view is essential for anyone seeking to be a space scientist. At the same time, ISRO is actively promoting inclusivity by focusing on women in leadership positions, as exemplified in the Aditya L1 mission. Simultaneously, its role in contributing to India’s economic growth is underscored by discussions about liberalizing foreign direct investments in the space sector and supporting space startups, aligning with the ‘Make In India’ initiative.

As we gaze into the future, it’s crucial to reflect on the elements that have shaped our identity. Here’s a brief glimpse into our past missions.

Among ISRO’s notable space science missions, AstroSat, India’s first dedicated multi-wavelength space observatory, launched in 2015, has made significant contributions to the field of astronomy. Equipped with a suite of instruments, AstroSat observed 69 celestial objects across various wavelengths, enabling detailed spectral and temporal studies. It has not only enhanced our understanding of X-ray binary stars, active galactic nuclei, and supernova remnants and shed light on the mysteries of the universe.

Chandrayaan-1, India’s maiden lunar mission, launched in October 2008 from SDSC SHAR, Sriharikota, ventured into the uncharted territory of lunar exploration, reinforcing India’s position as a growing space power. Chandrayaan-1’s primary mission was to map the moon’s surface at a height of 100 km from the lunar surface for chemical, mineralogical, and photo-geologic mapping of the Moon and search for water molecules using a state-of-the-art Moon Impact Probe. The most significant result from Chandrayaan-1 is the discovery of the presence of hydroxyl (OH) and water (H2O) molecules on the lunar surface, owing to India’s growing progress in space technology and science.

Complementing this success, ISRO embarked on the Chandrayaan-2 mission in 2019, aimed at achieving a soft landing on the lunar surface, marking a historic milestone in India’s lunar exploration. Despite the challenges faced during the final descent of the lander, the mission demonstrated India’s capability in lunar exploration and complex space missions. ISRO’s roadmap includes several upcoming missions that underscore India’s commitment to expanding its space exploration program.

But ISRO never gave up, and as we all know, the achievement of ISRO’s Chandrayaan-3 mission in August was indeed groundbreaking. The Chandrayaan-3 mission has successfully achieved its three main objectives: Demonstrated a safe and soft landing on the lunar surface; Successfully operated a rover on the moon and conducted in-situ scientific experiments, with all payloads performing as expected and providing groundbreaking insights. Not only did India become the first country to successfully land on the south pole of the Moon and conduct so many groundbreaking experiments, but it also surpassed its initial mission objectives with a remarkable hop experiment conducted by Vikram Lander, where the lander module effectively landed again on the moon.

Thought we’d stop at the moon? Think again: Aditya-L1, India’s first mission dedicated to studying the Sun, is another ambitious endeavor poised to provide crucial insights into the dynamics of our nearest star. It will help us monitor solar activities, understand the Sun’s influence on Earth’s climate, and unravel solar phenomena, being positioned at a halo orbit around the Sun-Earth L1 point. Positioned at this critical point, this observatory will offer a unique perspective, free from Earth’s atmosphere, to unlock the secrets of solar dynamics, sunspots, and solar magnetic fields. Aditya L1 will contribute vital data to comprehend space weather and its impacts on our planet.

Our journey doesn't end here; it's merely the inception.

With upcoming missions like Gaganyaan, NISAR, Mangalyaan 2, Shukrayaan, LuPex, XPoSat, and many more, we're poised to unveil fresh mysteries of the universe, pushing the limits of our comprehension.

Starting from Gaganyaan: A Leap Towards Human Spaceflight, set to launch in 2024, is India’s ambitious endeavor to send humans into space. This monumental mission aims to propel Indian astronauts into low Earth orbit, opening a new chapter in India’s space history. Gaganyaan will mark India’s entry into the elite group of nations capable of human spaceflight, fostering scientific advancements and inspiring generations to come.

21st October 2023 marked a significant milestone in India’s space programs, as ISRO successfully conducted the Gaganyaan spacecraft’s abort test, aka TV-D1, which evaluated the spacecraft’s ability to safely abort a mission under adverse conditions known to be a crucial step in ensuring the safety of future human spaceflight missions. ISRO envisions Gaganyaan as a fundamental step towards India’s entry into the elite group of nations capable of human spaceflight. ISRO’s aspirations go beyond Gaganyaan, including a diverse portfolio of missions such as Chandrayaan for lunar exploration, Mars Orbiter Mission for Martian research, and a multitude of satellite deployments.

One such future aspiration includes the Chandrayaan 4 mission in collaboration with Japan’s JAXA (Japan Aerospace Exploration Agency). This mission, known as Chandrayaan 4, is set to be an ambitious endeavor to explore and study the moon further. Additionally, LUPEx, a Lunar Polar Exploration mission, will be a crucial component of Chandrayaan 4. Together, ISRO and JAXA aim to employ cutting-edge instruments and technology for in-depth studies of the moon’s surface, its composition, and mineral resources and enhance our understanding of the moon’s polar regions, conducting scientific investigations that promise to unveil new lunar mysteries

NISAR: Pioneering Earth Observation (NASA-ISRO Synthetic Aperture Radar) is a collaborative mission with NASA, scheduled for 2024. This revolutionary satellite will employ advanced radar technology to provide unprecedented insights into Earth’s dynamic processes. From monitoring natural disasters to studying shifts in Earth’s surface, NISAR’s data will revolutionize our understanding of our planet’s ever-changing environment.

Mangalyaan 2: Beyond the Red Planet, building on the success of the Mars Orbiter Mission (Mangalyaan), Mangalyaan 2 is set to launch in 2024. This mission aims to explore Mars in even greater detail, expanding our knowledge of the planet’s surface, atmosphere, and potential for life. Mangalyaan 2 is a testament to India’s capabilities in interplanetary exploration.

Shukrayaan: Unravelling Venus’ Mysteries, slated for the period between 2026 and 2031, is a mission to Venus, Earth’s enigmatic neighbor. By studying Venus’ surface, atmosphere, and its unique greenhouse effect, Shukrayaan seeks to decipher the planet’s geological history and the factors that led to its extreme conditions. This mission promises invaluable insights into the evolution of terrestrial planets.

Additionally, the XPoSat mission, an X-ray polarimetry satellite, showcases ISRO’s diverse scientific objectives, focusing on high-energy phenomena. XPoSat aims to measure the polarization of X-rays, offering insights into the magnetic and physical properties of celestial sources, such as pulsars and black holes. These missions collectively represent India’s growing prominence in space research and its contributions to the global scientific community.

Furthermore, considering all the space missions, including the initiatives of other countries, even though these missions are ambitious and offer great opportunities for scientific discoveries, they come with risks and challenges that must be taken into consideration, such as launch failures, space debris, microgravity effects, etc. In this sense, the comparison between Luna-25 by Russia and Chandrayaan-3 is a brainstorming topic to look at. The race to be the first to land on the lunar south pole was abruptly halted following Luna-25’s unfortunate crash during pre-landing maneuvers on Sunday, August 20. In an unfortunate series of events, an emergency emerged during a pertinent orbit adjustment, making Luna-25 incapable of the required maneuver. The engine that was supposed to put the spacecraft into pre-landing orbit worked for 127 seconds instead of the planned 84 seconds, which posed the main reason for its crash.

The investigation reveals that the prolonged propulsion was likely caused by a communication issue between the onboard control system and the accelerometers within the BIUS-L device, which measures angular velocity. Unfortunately, it appears that the accelerometers were not activated in time, possibly due to conflicting priorities in the command arrays. Consequently, the control system did not receive vital data about the spacecraft’s velocity. This exemplifies the immense challenge of space exploration, leaving no margin for even the slightest of errors. It underscores the tremendous effort and remarkable level of development demonstrated by ISRO in achieving what it has.

A Cosmic Journey Ahead India’s upcoming space missions hold the promise of unparalleled scientific discoveries. They pave the way for unraveling the mysteries of the Sun, the Moon, Earth, Mars, and even Venus and much more. These missions will not only expand our knowledge of the universe but also inspire future generations of scientists, engineers, and dreamers. As we look forward to these cosmic endeavors, we embark on a thrilling adventure, unlocking the cosmos one mission at a time.

Beyond Our Gravitational Pull was originally published in Nakshatra, NIT Trichy on Medium, where people are continuing the conversation by highlighting and responding to this story.