The factor most directly responsible for making a black hole invisible is its
A) color.
B) mass.
C) surface escape velocity.
D) size.
E) none of these

Name: The factor most directly responsible for making a black hole invisible is its A) color. B) mass. C) surface escape velocity. D) size. E) none of these
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Question

Quizplus · Accepted Answer

The factor most directly responsible for making a black hole invisible is its surface escape velocity, which is so high that not even light can escape from it, rendering the black hole invisible.

The Factor Most Directly Responsible for Making a Black Hole