On the H-R diagram our Sun is a
A) white dwarf.
B) star of average luminosity and temperature.
C) red supergiant.
D) relatively bright,blue star.
Correct Answer:
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Q22: The temperature of a star is evidenced
Q23: The event that changes a protostar to
Q24: Luminosity is
A)the total amount of light energy
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A)cores of
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Q28: A star's color tells us
A)how much energy
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Q32: Most white dwarfs
A)have relatively hot surfaces.
B)have relatively
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