A billion- solar- mass black hole would still have a radius of only
A) 20 AU.
B) 3 kpc.
C) 150 kilometers.
D) 15 pc.
E) two million light-years.

Name: A billion- solar- mass black hole would still have a radius of only A) 20 AU. B) 3 kpc. C) 150 kilometers. D) 15 pc. E) two million light-years.
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Question

Quizplus · Accepted Answer

A billion-solar-mass black hole would have a radius of about 20 AU, as the Schwarzschild radius is approximately 3 kilometers per solar mass.

A Billion- Solar- Mass Black Hole Would Still Have a Radius