Question

Astronomers have observed a small, massive object at the center of our Milky Way Galaxy. A ring of material orbits this massive object; the ring has a diameter of about 13 light-years and an orbital speed of about 180 km/s .A) Determine the mass of the massive object at the center of the Milky Way galaxy.Take the distance of one light year to be 9.461×1015m. I was able to get this it is 4.26×1037kg.B) Express your answer in solar masses instead of kilograms, where one solar mass is equal to the mass of the sun, which is 1.99×1030. I got this to it is 2.14×107 solar massesC)Observations of stars, as well as theories of the structure of stars, suggest that it is impossible for a single star to have a mass of more than about 50 solar masses. Can this massive object be a single, ordinary star? I got this it is no.

Answer 1

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