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ziro4ka [17]
4 years ago
11

Plz help me and I will give u a brainliest in return

Physics
2 answers:
GalinKa [24]4 years ago
7 0
A galaxy is a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

There are 100 billion galaxies

The Sun is just one of those 200 billion to 400 billion stars
vladimir1956 [14]4 years ago
4 0
A galaxy  is a system of millions to billions of stars, and is held together by gravitational attraction. There are around 2 trillion galaxies.
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