Star A is a red star.Star B is a blue star.Which is hotter?
A) Star A
B) Star B
C) We also need to know the luminosities of the stars to determine their temperatures.
D) Color is not related to temperature at all.
Correct Answer:
Verified
Q23: What is the difference between brightness and
Q24: Stars of similar temperatures but different sizes
A)
Q25: Stars are made mostly of
A) helium.
B) oxygen.
C)
Q26: How many arcseconds are there in a
Q27: The fraction of mass in the Sun
Q29: The star named Capella has an apparent
Q30: Star C is a red star.Star D
Q31: The spectral class of a star is
Q32: If a star's distance is 10 pc,what
Q33: What spectral class is the Sun?
A) A0
B)
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