Black holes are black because ____.
A) dust surrounding the center completely obscures the light in the center
B) their gravitational field is so intense that light cannot escape
C) they do not produce any radiation
D) they are regions where absolutely no matter is present
Correct Answer:
Verified
Q27: Neutron stars are _.
A) dense stars where
Q28: In the _ model, the gravitational force
Q29: Astronomers believe that a _ must lie
Q30: A _ is a red, flame-like jet
Q31: Which list correctly orders the layers of
Q33: Which list correctly orders different regions of
Q34: The cosmic microwave background radiation is an
Q35: The major reason for differences in temperature
Q36: All main-sequence stars are composed primarily of
Q37: A pulsar is a _ that emits
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