What evidence has Chandra found to contradict the hypothesis that black holes merge duringgalaxy collisions?
A) a double black hole in a single galaxy
B) a black hole without a host galaxy
C) a hypermassive black hole
D) a triple black hole system
E) a dwarf galaxy containing a black hole
Correct Answer:
Verified
Q39: A radio galaxy whose lobes are swept
Q40: Compared to the Milky Way, how many
Q41: Astronomers think most galaxy interactions took place
Q42: The peak of the quasar epoch was:
A)when
Q43: Gravitational lensing of distant, faint irregular galaxies
Q45: The further away a galaxy is:
A)the older
Q46: Active galaxies are having their central engines
Q47: _ galaxies may bridge the gap between
Q48: Why is it thought that quasars probably
Q49: Redshift surveys give us:
A)an idea of how
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