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Q33: Which observations of the radiation from quasars
Q37: How are superclusters spread throughout the universe?<br>A)
Q39: The biggest and intrinsically brightest galaxies in
Q59: The method used by Harlow Shapley in
Q68: Around which types of stars are astronomers
Q80: A rotation curve is a plot of
Q114: Gravity holds galaxies together. What does the
Q144: What is the MOST widely accepted Hubble
Q173: In which of these locations would a
Q200: In which of these types of galaxies