Which spectral type has the strongest hydrogen absorption lines?
A) O
B) B
C) A
D) G
E) M
Correct Answer:
Verified
Q24: Star E is the same temperature as
Q25: A type G star is always _
Q26: What spectral class is the Sun?
A) A0
B)
Q27: Two stars with similar temperatures but different
Q28: If star A has a temperature that
Q30: Stars are made mostly of
A) helium.
B) oxygen.
C)
Q31: The bright star named Rigel has a
Q32: If we know the temperature and luminosity
Q33: The fraction of the Sun's mass that
Q34: What property of light allows astronomers to
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