What is a rich cluster of galaxies?
A) a cluster with more spiral galaxies than ellipticals
B) a cluster (like our Local Group) that contains at least two large galaxies
C) a cluster with a high metal content
D) a cluster containing thousands of galaxies
Correct Answer:
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Q110: The light that arrives at Earth from
Q125: A starburst galaxy appears to be a
Q129: Collisions between galaxies
A) do not occur because
Q130: The temperature of the hot intergalactic gas
Q273: What would happen if the Andromeda Galaxy
Q275: Which statement about galactic motions and interactions
Q276: What is a starburst galaxy?
A) a galaxy
Q279: The total number of galaxies in a
Q280: Collisions between galaxies:
A) occur only very occasionally
Q282: Starburst galaxies are characterized by an abundance
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