Most of the mass of a galaxy is contained in the
A) massive O and B stars in the galaxy.
B) H I regions of the galaxy.
C) H II regions of the galaxy.
D) dark matter of the galaxy.
E) disk of the galaxy.
Correct Answer:
Verified
Q6: The look-back time is
A)the time it takes
Q7: Mathematical models indicate that _ galaxies are
Q8: The total mass of galaxies in a
Q9: Poor clusters
A)contain more than 1000 stars and
Q10: A _ generally contains well over 1000
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
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