Olbers' paradoxasks...
A) Why isn't the night sky bright as day?
B) Which is the simplest cosmological model?
C) If dark matter is dark, how can we ever see it?
D) How the Universe can be younger than some of the stars in it?
Correct Answer:
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Q59: Astronomers have found evidence that the expansion
Q60: Astronomers have found evidence that the expansion
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Q63: Observations of the tiny irregularities in the
Q65: One limit on the age of the
Q66: We are at the center of the
Q67: An astronomer claims to have measured the
Q68: It is difficult to use light from
Q69: As space expands, everything in it is
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