Galactic cannibalism refers to
A) binary galaxies.
B) the merging of galaxies.
C) galaxies drawing in gas from the intergalactic medium.
D) the destruction of a galaxy's globular clusters by the galaxies nucleus.
E) none of the above
Correct Answer:
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Q2: Based on the galaxies found in the
Q3: Most of the mass of a galaxy
Q4: The rotation curve of a galaxy (orbital
Q5: The most luminous galaxies in blue wavelengths
Q7: An irregular galaxy contains
A) mostly lower-main sequence
Q8: Astronomers now speculate that a galaxy's shape
Q9: A megaparsec is equivalent to
A) 3.26 light-years.
B)
Q10: We should expect galaxies to collide with
Q11: If H equals 50 km/sec/Mpc,then a galaxy
Q13: _ galaxies contain large clouds of gas
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