How do the Sun,a white dwarf,and a red giant rank in descending order of luminosity?
A) Sun,white dwarf,red giant
B) Red giant,white dwarf,Sun
C) Red giant,Sun,white dwarf
D) White dwarf,Sun,red giant
Correct Answer:
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Q19: The apparent magnitudes of stars A and
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Q21: Which of the following spectral classes is
Q22: The spectral class of a star is
Q23: The hottest stars have spectral class
A)O
B)A
C)G
D)M
Q25: Which of the following processes will result
Q26: Which of the following can produce a
Q27: Which of the following produces an emission
Q28: What spectral class is just hotter than
Q29: Suppose we observe a hot,tenuous gas with
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