Because the spectra of most stars consist of dark lines on a bright background, these stars must
A) have cool interiors surrounded by hot atmospheres.
B) have hot interiors surrounded by cool atmospheres.
C) have hot interiors surrounded by hot atmospheres.
D) have cool interiors surrounded by cool atmospheres.
Correct Answer:
Verified
Q1: Nuclear reactions in the sun's interior convert
A)
Q2: The temperature of a star directly affects
Q3: Advantages of a telescope in a spacecraft
Q4: Stars seem to twinkle because of
A) variations
Q6: The spectrum of a star can provide
Q7: Sunspots
A) are hotter than the rest of
Q8: The interior of the sun consists of
A)
Q9: Sunspot activity does not affect
A) auroras.
B) the
Q10: A large modern astronomical telescope
A) is designed
Q11: A star whose spectral lines are shifted
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