Multiple Choice
The term "Schwarzschild radius" refers to
A) the distance to which gas is ejected in a planetary nebula.
B) half the diameter of a neutron star.
C) half the diameter of the singularity in a black hole.
D) the distance from the center of a black hole at which the escape velocity becomes equal to the speed of light.
Correct Answer:

Verified
Correct Answer:
Verified
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