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Q1: What two energy transport mechanisms, in order
Q44: What characteristic of a star cluster is
Q45: At temperatures of _ K, photons can
Q45: The Sun's magnetic field is measured by:<br>A)the
Q48: List the four different ways that molecules
Q88: Which of the following elements contained in
Q102: Almost all molecules in space are based
Q104: Which of these is the likely progenitor
Q106: The motion of a star towards or
Q117: X-ray bursts and gamma-ray bursts have the