Question

Define Galaxy????????????​

Answer 1

Answer:

a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

Explanation:

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Answer 2

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A galaxy is a collection of stars and planets that are held together by gravity. In a galaxy, the celestial bodies rotate around a central object. The Earth's galaxy is known as the Milky Way. Our solar system, made up of the Sun and the planets that encircle it, is a tiny part of that galaxy.