Stars seem to twinkle because of
A) variations in their brightnesses.
B) variations in their colors.
C) turbulent movements in their atmospheres.
D) turbulent movements in the earth's atmosphere.
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
Q5: Because the spectra of most stars consist
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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