Science, asked by Anonymous, 3 months ago


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Answers

Answered by Nishtha9144
20

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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Answered by shifaalam
7

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity

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