What produces a type-I supernova?
A)the collapse of the core of a massive star
B)the helium flash blows apart a giant's core
C)mass transfer onto a white dwarf pushing it over 1.4 solar masses
D)a nova igniting a helium flash in its red giant companion
E)the radioactive decay of nickel 56 into cobalt 56 into iron 56

Question

Quizplus · Accepted Answer

A type-I supernova occurs when a white dwarf in a binary system accumulates enough mass from its companion star to exceed the Chandrasekhar limit of 1.4 solar masses, leading to a runaway nuclear reaction and explosion.

What Produces a Type-I Supernova