Multiple Choice
The stars farther than 20 000 LY from the center of the Milky Way are traveling too fast to be bound to the galaxy by the observed mass of the galaxy.Which of the following are currently being investigated as possible explanations of this?
A) neutrino mass
B) WIMPs
C) Newtonian dynamics are not quite correct.
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
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