Which Event Marks the Beginning of a Supernova

Which event marks the beginning of a supernova?

A) the sudden collapse of an iron core into a compact ball of neutrons
B) the onset of helium burning after a helium flash in a star with mass comparable to that of the Sun
C) the beginning of neon burning in an extremely massive star
D) the sudden outpouring of X- rays from a newly formed accretion disk
E) the expansion of a low- mass star into a red giant

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free