manishbudhathoki07 manishbudhathoki07

16-10-2020
Physics

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what does the galaxy made of ?

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paigejamisyn17 paigejamisyn17

16-10-2020

Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity. Nearly all large galaxies are thought to also contain supermassive black holes at their centers.

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