Galaxies Are Massive Objects: How Big Are They Really?

Four of my short articles that you may find educational

Arnaud Mariat Unsplash

Galaxies are massive objects holding vast numbers of stars, all held together by gravity.

There are three major types of galaxies, the first being a spiral galaxy like our own Milky Way. Most spiral galaxies consist of a flat rotating disc of stars with a bulge in the centre which contains a large concentration of stars.

Another type is an elliptical galaxy, which has the shape of an elongated sphere.

An irregular galaxy is the third, and it has no regular or symmetrical structure.

It is estimated that there are two trillion galaxies in the observable universe, each one holding millions or billions of stars.

Yes, the universe is an enormous place, maybe even too large for our minds to comprehend.

MLbay from Pixabay

We think Mount Everest is high.

On Earth, the highest land above sea level is the summit of Mount Everest, which is located in the Himalayas. It…