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Aloiza [94]
3 years ago
8

Which phrase best defines a galaxy?

Biology
2 answers:
amid [387]3 years ago
7 0

Galaxies are basically <u>billions and billions of stars, gas, and  dust packed together which forms a galaxy. </u>

The phrase that best defines a galaxy is "large collection of stars, gas, and dust held together by gravity".



andriy [413]3 years ago
3 0

Answer: <u>large collection of stars, gas and dust held together by gravity.</u>

Explanation:

A galaxy billions of stars, dust and gases. These are held together by gravity.

A galaxy comprises sites of new star formation in nebulae and old star clusters. It has globular clusters as well as loose, dis-organised open clusters.

Usually at the center of each galaxy, there is a super massive black-hole about which all the material in the galaxy rotates about.Galaxies have mainly three types of shapes- spiral, elliptical and irregular.

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