A megaparsec is equivalent to
A) 3.26 light-years.
B) 206,265 light years.
C) 206,265 AU.
D) 3,260,000 light-years.
E) the diameter of the Milky Way galaxy.
Correct Answer:
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A) binary galaxies.
B) the
Q7: An irregular galaxy contains
A) mostly lower-main sequence
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Q12: If a galaxy has a radial velocity
Q13: The mass of a single galaxy might
Q14: An E galaxy contains
A) mostly lower-main sequence
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