What evidence do we have that there is hidden mass in the galaxy?
A) Cool clouds of hydrogen
B) RR Lyrae variable stars in globular clusters
C) Non-Keplerian (flat) rotation curve at large radii
D) Missing neutrinos from the Sun
E) Dusty regions in the plane
Correct Answer:
Verified
Q34: Which of the following types of objects
Q35: The rotation curve of the Milky Way
Q36: About how long does it take for
Q37: Where are globular clusters located in the
Q38: Which of the following is the best
Q40: Why are most O and B stars
Q41: Which of the following has NOT happened
Q42: The oldest stars in the galaxy are
Q43: Why can't we see visible radiation from
Q44: The stars in globular clusters are
A)Young and
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