Multiple Choice
The observed evidence we have for black holes includes
A) visible light that is thought to come from the center of a black hole.
B) X-rays that are thought to come from the center of a black hole.
C) temperature measurement of certain extremely cold stars that are thought to be black holes.
D) X-rays that are thought to come from gases that are outside of a black hole.
E) observations of certain regions of space, larger than the largest known stars, that emit no light.
Correct Answer:
Verified
Correct Answer:
Verified
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