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Q19: A galaxy that was once a quasar
Q38: Discuss the source of energy for a
Q47: A supernova that occurs 10,000 years from
Q55: The bourgeoisie sought to change which of
Q57: The instability strip includes many main sequence
Q59: It is now believed the majority of
Q67: The period-luminosity relation is critical in finding
Q67: The latest evidence from 2MASS suggests our
Q69: The Tully-Fisher relation exists between the galaxy's
Q92: What role does the main sequence mass