A mega-parsec (Mpc) is equivalent to
A) 3.26 light-years.
B) 206,265 light years.
C) 1,000,000 light years
D) 3,260,000 light-years.
E) the diameter of the Milky Way galaxy.
Correct Answer:
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Q12: The mass of a single galaxy might
Q13: _ galaxies contain large clouds of gas
Q14: The Hubble law is a relation between
Q15: _ are produced when two galaxies pass
Q16: The Milky Way is part of
I.a
Q18: A megaparsec is equivalent to
A)3.26 light-years.
B)206,265 AU.
C)the
Q19: Galactic cannibalism refers to
A)binary galaxies.
B)the merging of
Q20: Astronomers now speculate that a galaxy's shape
Q21: What distance method is used to determine
Q22: Starburst galaxies
A)contain a large number of very
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