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Q9: What happens when the electron in
Q22: What is a probable mechanism for the
Q43: What is the Tully-Fisher relation?<br>A) The more
Q50: The Theory of Everything is the attempt
Q75: Suppose astronomers discover a nova in a
Q86: A star of 25 solar masses spends
Q89: Which single observation is perhaps the strongest
Q128: As much as 90% of the matter
Q198: In discussing galaxies and the universe, astronomers
Q201: In a primordial, pregalactic gas cloud, what