Multiple Choice
Much of the mass of our Galaxy appears to be in the form of "dark matter" of unknown composition.At present,this matter can be detected only because
A) it absorbs light from distant galaxies and quasars and obscures them.
B) it emits synchrotron radiation.
C) its gravitational pull affects orbital motions of matter in the Galaxy.
D) it blocks out the light from distant stars in the plane of our Galaxy.
Correct Answer:

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Correct Answer:
Verified
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