History, asked by Piyani1716, 5 months ago

define galaxy and university

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Answered by Varshatherowdy

Explanation:

A galaxy is a huge assemblage of stars, planets, nebulae, gas and dust. Objects within a galaxy are bound by gravity and orbit around a common centre of mass. It is estimated that there are probably more than 170 billion galaxies in the observable universe.

Answered by Anonymous

Explanation:

Why are you feeling sad....Piyani

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