Could This Star Be Thousands of Times More Massive Than Our Sun?

Amaze Lab

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00:00The Sun is the biggest thing around, bar none.

00:07But out in the cosmos, especially way, way back when the universe was still in its infancy,

00:11there were much larger stars.

00:13And now, using the incredible abilities of the James Webb Space Telescope to effectively look back in time,

00:18we're finally getting evidence of those ancient behemoths.

00:21In the moments relatively shortly after the Big Bang,

00:23experts say there were stars that had masses upwards of 10,000 times that of the Sun.

00:28For reference, the most massive star ever found is called R136A1,

00:32and it has a mass only 300 times that of the Sun.

00:35So how do experts know they existed if they're not around anymore?

00:38Astronomers often look at clusters of stars in the Milky Way,

00:41which often contain very old stars with some elements that are surprising to find.

00:45These elements can only be explained by a star burning at an extremely high temperature for a period of time,

00:50with experts saying that could happen in the cores of supermassive stars.

00:54And the James Webb Space Telescope was just pointed in the direction of galaxy GN-Z11,

00:59which is so far away, light from it takes 13.3 billion years to reach us.

01:04The data gave astronomers signs of a supermassive star lurking in that galaxy,

01:08meaning we might soon get an image from a distant star cluster,

01:11showing us what a star 10,000 times the mass of the Sun actually looks like.

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