Henrietta Leavitt discovered the period-luminosity relationship for ____________________.
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Q68: RR Lyrae stars are in the constellation
Q69: Globular clusters are primarily found in the
Q70: The center of the Milky Way galaxy
Q71: The _ hypothesis includes mergers with smaller
Q72: The _ hypothesis suggests that the Milky
Q74: _ are groups of 100,000 to 1,000,000
Q75: Which stellar population has highly elliptical orbits
A)Pop
Q76: In the diagram below, the approximate absolute
Q77: The _ of the galaxy contains population
Q78: O and B stars are examples of
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