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What occurs during nuclear fusion within the Sun and how much energy is produced?
Q9: Briefly state or explain the mass-luminosity relation
Q11: The Inquisition condemned Galileo for heresy in
Q22: Almost all of the gas and dust
Q36: A "galactic fountain" is _.<br>A) a stream
Q37: Granulation is caused by convection currents just
Q41: What positive effect have supernovae had on
Q56: A "larger" Moon on the horizon is
Q58: A white dwarf stops collapsing and forms
Q62: The apparent magnitude of a star observed
Q72: An astronomer named _ used globular clusters