The sun is an)
A) unusually small star.
B) unusually large star.
C) unusually hot star.
D) rather ordinary star.
Correct Answer:
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Q11: A star whose spectral lines are shifted
Q12: The source of the sun's energy is
A)
Q13: Streams of protons and electrons from the
Q14: The two chief elements in the sun
Q15: The sun has
A) no atmosphere.
B) an atmosphere
Q17: The duration of the sunspot cycle is
Q18: The temperature of the sun's photosphere is
Q19: Which of the following can appear as
Q20: Advantages of large reflecting telescopes include their
Q21: White dwarfs
A) are young stars.
B) are old
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