The spectral class of a star is a measure of the star's
A) Chemical composition
B) Temperature
C) Radial velocity
D) Rate of rotation
Correct Answer:
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Q17: The star Capella has an apparent magnitude
Q18: The nearest known star is at a
Q19: The apparent magnitudes of stars A and
Q20: Two stars have the same color,but differ
Q21: Which of the following spectral classes is
Q23: The hottest stars have spectral class
A)O
B)A
C)G
D)M
Q24: How do the Sun,a white dwarf,and a
Q25: Which of the following processes will result
Q26: Which of the following can produce a
Q27: Which of the following produces an emission
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