Multiple Choice
What do we mean by the event horizon of a black hole?
A) It is the point beyond which neither light nor anything else can escape.
B) It is the very center of the black hole.
C) It is the distance from the black hole at which stable orbits are possible.
D) It is the place where X-rays are emitted from black holes.
Correct Answer:

Verified
Correct Answer:
Verified
Q30: Our Sun will likely undergo a nova
Q32: Evidence that Pulsars are Neutron Stars: Suppose
Q53: Which of the following statements about novae
Q60: Why would the earth's orbit be unaffected
Q72: Studying the Singularity: The singularity at the
Q75: You are studying a mystery companion to
Q77: What is the ultimate fate of an
Q84: If you were to come back to
Q108: How do we know what happens at
Q114: No visible light can escape a black