Why Are White Dwarf Supernovae More Useful Than Massive Star

question 27

Multiple Choice

Why are white dwarf supernovae more useful than massive star supernovae for measuring cosmic distances?

• A)White dwarf supernovae are much more common than massive star supernovae.
• B)We can see only white dwarf supernovae in distant galaxies, not massive star supernovae.
• C)White dwarf supernovae follow a period- luminosity relation, while massive supernovae do not.
• D)White dwarf supernovae all have roughly the same true peak luminosity, while massive supernovae come in a wide range of peak luminosities.

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