Question

what is galaxy???
thanks please​

Answer 1

Answer:

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

Explanation:

Answer 2

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A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.The word galaxy is derived from the Greek galaxias (γαλαξίας), literally "milky", a reference to the Milky Way. Galaxies range in size from dwarfs with just a few hundred million (108) stars to giants with one hundred trillion (1014) stars,each orbiting its galaxy's center of mass.

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