What distinguishes the spectral type of a star?
A) its brightness
B) the lines in its spectrum
C) its distance
D) its velocity
Correct Answer:
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Q39: Lines from molecules are strongest in _
Q40: In _ stars most of the electrons
Q41: Yellow dwarfs have _ spectral lines than
Q42: Why do stars have dark lines in
Q43: Which of the following stellar spectral types
Q45: If a star exhibits no Doppler shift
Q46: Which of the following stars is hottest?
A)
Q47: Eighty percent of _ type stars have
Q48: In which binary system can we observe
Q49: Binary star systems are very important because
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