Question #339920

the sun has an orbital speed of about 220kms^-1 around the centre of the galaxy whose distance is 28 000 light years .estimate the total mass of the galaxy in solar masses

1
Expert's answer
2022-05-11T13:52:32-0400

Mg=1.5⋅1012Ms.M_g=1.5\cdot 10^{12}M_s.


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