Answer to Question #193989 in Astronomy | Astrophysics for Lucy

Question

Star S2 has been observed orbiting around Sgr A* at the center of the Milky Way. At closest approach it is 17 light hours from Sgr A*, with a velocity of 5000 km/s. Assuming a circular orbit for S2, calculate the mass of the black hole at the center of the Milky Way

Answer 1

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