Of the entries in this list of questions about the Milky Way Galaxy, which ONE has been answered at the present time?
A) Did the central black hole form first or did the Galaxy form first?
B) Does the Galaxy have a central bar or not?
C) What is dark matter?
D) What is creating the positrons near the center of the Milky Way?
Correct Answer:
Verified
Q147: What is microlensing?
A) minute shift in the
Q148: Much of the mass of the Milky
Q149: What do astronomers know about the geometry
Q150: The dark matter halo is estimated to
Q151: What is microlensing?
A) beaming of radiation by
Q152: A radio astronomer points a radio telescope
Q153: The presence of a very large amount
Q154: In a recent survey of stars in
Q155: A rotation curve is a plot of
Q156: The present estimate for the total mass
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