Why can Type Ia supernovae be used to determine a galaxy's distance?
A) Type Ia supernovae occur only in very luminous galaxies.
B) Most Type Ia supernovae have approximately the same peak luminosity.
C) Most Type Ia supernovae have approximately the same size.
D) A Type Ia supernova occurs in a typical galaxy about once every 100 years.
E) Type Ia supernovae occur even in very small galaxies.
Correct Answer:
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A) gravity.
B)
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Q37: Type Ia supernovae have a peak luminosity
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