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 galaxies globular clusters by the galaxies nucleus.
E) none of these
Correct Answer:
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Q5: _ have elongated nuclei with spiral structure
Q9: Poor clusters
A)contain more than 1000 stars and
Q13: _ galaxies contain large clouds of gas
Q16: An irregular galaxy contains mostly
A) lower-main-sequence stars
Q18: The mass of a single galaxy might
Q18: A megaparsec is equivalent to
A)3.26 light-years.
B)206,265 AU.
C)the
Q22: Starburst galaxies
A)contain a large number of very
Q23: We should expect galaxies to collide fairly
Q25: Astronomers now speculate that a galaxy's shape
Q30: If Galaxy A is found to have
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