Question

What is Galaxy??????

Answer 1

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• A galaxy is a sprawling space system which is composed of stars, dust, interstellar gas, stellar remnants, and dark matter and all held together by gravity.

• There are approximately 70,000 million stars in the universe. The solar system where our earth exists is in the Milky Way Galaxy.

Answer 2

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:

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