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Q6: If two stars are emitting the same
Q9: Fraud in science is rare because it
Q17: An isolated black hole in empty intergalactic
Q36: Even in degenerate matter, pressure depends on
Q40: A ZAMS star evolves _ and to
Q55: If the density of the universe is
Q91: In the lighthouse model shown above, the
Q100: How do humans use their eyes to
Q115: The maximum mass of a white dwarf
Q123: The absolute magnitude of a star is