The spectrum in the figure below is: 
A) an absorption spectrum
B) an emission spectrum
C) a thermal spectrum
D) not any of these types
Correct Answer:
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Q3: To measure the parallax of the most
Q8: B stars are cooler than M stars.
Q9: Mass solely determines the position of a
Q10: The emission and absorption lines of a
Q13: Stars with a higher apparent brightness are
Q20: The emission spectrum of a helium atom
Q23: Which star in the figure below is
Q24: Stars of similar temperatures but different sizes
A)
Q25: Stars are made mostly of
A) helium.
B) oxygen.
C)
Q33: What spectral class is the Sun?
A) A0
B)
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