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.

Answer 2

• Answer -

→ One cluster may contain billion of stats.

→ All the stars in a cluster are held together by gravitational force.

→ Such a huge cluster of billion stars, along with giant collection of gas and dust is called a Galaxy