Question

what is a galaxy?are there millions of such galaxies?​

Answer 1

Answer:

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. There are many galaxy

Answer 2

Explanation:

While NASA previously determined that there were around two trillion galaxies in the universe, new findings say the number is more likely hundreds of billions. While NASA previously determined that there were around two trillion galaxies in the universe, new findings say the number is more likely hundreds of billions.

a small part of the Milky Way Galaxy. A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle