Question: B5) please no hand writing solution for other wise down vote An astronomer has calculated the radius of a black hole to be 20.0 AU
B5) please no hand writing solution for other wise down vote

An astronomer has calculated the radius of a black hole to be 20.0 AU by observing its period of variability in brightness. What period, in hours, did she observe? hours
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
