A star's luminosity depends only on the star's
A) distance and diameter.
B) temperature and distance.
C) distance.
D) temperature and diameter.
E) apparent magnitude.
Correct Answer:
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Q3: The most common stars are
A)supergiants.
B)giants.
C)upper (more luminous)
Q4: We know that giant stars are larger
Q5: The _ of a star is a
Q6: The star named Sheat is of M2
Q7: Compared with the spectral lines in the
Q9: The total mass of the pair of
Q10: The star named Circini has the spectral
Q11: In a binary system, the more massive
Q12: Absolute visual magnitude is
A)the apparent magnitude of
Q13: An eclipsing binary will
A)be more luminous than
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