Massive-star supernovae and white-dwarf supernovae work equally well as standard candles for measuring cosmic distances.

Question

Quizplus · Accepted Answer

While both types of supernovae can be used as standard candles, white-dwarf supernovae are generally considered better for measuring distances because they have a more consistent luminosity and are easier to observe. Massive-star supernovae can be more variable and difficult to detect.

Massive-Star Supernovae and White-Dwarf Supernovae Work Equally Well as Standard