Question

What is Galaxy.....?​

Answer 1

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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. ... This is the picture taken by the Hubble Space Telescope showing thousands of galaxies.

Answer 2

• huge collection of gas,dust 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.