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Q4: For a point mass equal to that
Q6: _ of the Milky Way contains mostly
Q7: Which of the following is a force
Q15: Mathematical models indicate that _ galaxies are
Q15: Dark matter makes up 18.7% of the
Q37: As material flows into a black hole
Q77: The graph below indicates the temperature of
Q80: What distance method did Edwin Hubble use
Q97: Of the following, which of the following
Q127: Uranus and Neptune appear blue or blue-green