Multiple Choice
Why can Type I supernovae be used to determine a galaxy's distance?
A) Type I supernovae occur only in very luminous galaxies.
B) Type I supernova have approximately the same luminosity.
C) Type I supernovae have approximately the same size.
D) A Type I supernova occurs in a typical galaxy about once every 100 years.
Correct Answer:
Verified
Correct Answer:
Verified
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