Once a black hole forms, the size of its event horizon is determined only by
A) the size (diameter) of the star that collapsed into the black hole
B) the mass inside the event horizon
C) the time since the black hole formed
D) the composition of the material that formed the black hole
E) you can't fool me; every black hole has an event horizon of the same size
Correct Answer:
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Q2: The region around a black hole where
Q3: According to Einstein's general theory of relativity,
Q4: The astronomer who first worked out the
Q5: Suppose each of the following objects could
Q6: Which of the following statements about the
Q7: Deep inside a black hole (and hidden
Q8: In the far future, a starship becomes
Q9: According to the general theory of relativity,
Q10: The equivalence principle (principle of equivalence) says
Q11: From which of the following will a
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