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In the diagram below, which point indicates the location on the HR diagram of a one solar mass star when it undergoes helium flash?
Q3: CO observations of the galaxy reveal<br>A) the
Q3: One solar mass stars produce their energy
Q4: Due to the extremely rapid orbital velocities
Q11: How do we know that the interior
Q37: Young star clusters have bluer turn-off points
Q55: Cepheid variable stars are more luminous than
Q57: What is the difference between a population
Q61: 51 Pegasi is important because<br>A) it is
Q63: The Earth never passed through the cratering
Q90: The cluster method (motions of galaxies in