The size of a star can be found from its
A) temperature and mass.
B) temperature and brightness.
C) temperature and luminosity.
D) mass and apparent brightness.
Correct Answer:
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Q22: The majority of main-sequence stars are
A) blue.
B)
Q23: The color of a relatively hot star
Q24: Stars at the lower end of the
Q25: The sun will remain its present size
Q26: In the HR diagram, most stars are
A)
Q28: The star nearest to the sun is
Q29: Cepheid variable stars
A) are very bright, easily
Q30: A star must have a certain minimum
Q31: Neutron stars are about
A) the size of
Q32: The earth's magnetic field influences
A) comets.
B) meteoroids.
C)
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