Galaxies

Galaxies contain trillions of stars, as well as planets. In the article Galaxies from WorldBook, it states, “Galaxy is a vast system of stars, gas, dust, and other matter held together in space by their mutual gravitational pull.” There are trillions of galaxies, as well as different types of galaxies! For inference, the spiral galaxy. These Spiral Galaxies have “arms” wrapped around the the galaxy's center. The center is a ton of stars known as the Bulge. The arms contain a lot of heat. There are elliptical galaxies as well. Elliptical galaxies are flattened globes. In the text Galaxies it states, “The light of an elliptical galaxy fades gradually outward from its core.” So this means that the light will fade, causing the galaxy to look like a flattened dome. Then there are Irregular galaxies. Irregular galaxies look like scattered stars, making it look like the night sky. This is because these galaxies form stars at random places, making this look like a night sky. There are some other types of galaxies but these are the mainly seen galaxies. There is a lot to learn about space, though there is a lot there is that we still need to learn. Space over all is empty, though it is huge nothing can be compared sizes to it. The Big Bang created everything, but we are left with one question. Where did the particles come from?