Question

what is galaxy?????? ​

Answer 1

Answer:

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. ... Some scientists think there could be as many as one hundred billion galaxies in the universe.

Explanation:

Thanks for the question

Answer 2

$\huge \mid{ \underline{ \overline{ \underline{\overline \pink{\bold{ \: \: Aɴsᴡᴇʀ \: \: } }}} }}\mid$

• A large collection of stars, dust and hydrogen gas isolated in space form a galaxy
• .A galaxy has on an average of 100 billion stars and there are 10¹¹ galaxies. For example- milky way galaxy and Andromeda galaxy.

• Galaxies are classified according to their shape and siz