It is impossible to tell the difference between the two types of supernovae.

Question

Quizplus · Accepted Answer

While both types of supernovae involve an exploding star, they have distinct characteristics that can be observed and distinguished. Type I supernovae lack hydrogen lines in their spectra, while Type II supernovae have prominent hydrogen emission lines. Additionally, Type I supernovae show a rapid decline in their light curves after peak brightness, while Type II supernovae have a slower decline followed by a plateau phase.

It Is Impossible to Tell the Difference Between the Two