Multiple Choice
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
Correct Answer:
Verified
Q1: A nearby galaxy has a radius of
Q2: Giant elliptical galaxies may be the result
Q3: How do head-tail radio galaxies reveal their
Q4: In its most energetic phase, a quasar
Q5: Galaxies contain at most one supermassive black
Q7: Why would galaxies colliding in a small
Q8: Distant galaxies tend to be much bluer
Q9: Explain the significance of the Lyman Alpha
Q10: The huge, dark, almost spherical regions between
Q11: Which of these is NOT considered a