Question

what can be a defenation of galaxy???​

Answer 1

Answer:

A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction. 'There are reckoned to be about 400 billion stars in our galaxy, the Milky Way.

                                                    Or

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system..

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Answer 2

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• what can be a defenation of galaxy???

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• The system of stars that contains our sun and its planets, seen as a bright band in the night sky is called Galaxy.