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Black Holes: Quiz
Black Holes Quiz
What would change if our Sun was suddenly replaced by a black hole of the same mass?
[A] Earth would be sucked into the singularity
[B] The planets would no longer orbit a central object
[C] Only the temperature on Earth would change
X-rays are emitted from binary star systems containing black hole candidates at very regular rates.
[A] True
[B] False
What is the Schwarzschild radius?
[A] Where the escape speed equals the speed of light
[B] 2 GM/c
2
[C] Critical to understanding the existence of black holes
[D] All of the above
