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What is the mass of a black hole whose event horizon is 1AU in radius? Express your answer in units of solar-masses.?

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  • What is the mass of a black hole whose event horizon is 1AU in radius? Express your answer in units of solar-masses.?


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Anonymous65490 | 01/04 2016 17:18
The Schwarzschild radius is proportional to the mass with a proportionality constant involving the gravitational constant and the speed of light: rs = (2 G M) / c^2, where: rs is the Schwarzschild radius; G is the gravitational constant; M is the mass of the object; c is the speed of light in vacuum. The proportionality constant, 2G/c^2, is approximately 1.48×10^−27 m/kg, or 2.95 km/M☉.
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