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

• A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems.
• There are approximately 70,000 million stars in the universe. The solar system where our earth exists is in the Milky Way Galaxy