How much energy is released in the supernova explosion of a massive star?
A) Almost as much energy as the Sun emits over its entire lifetime
B) Almost as much energy as the entire Galaxy emits over its lifetime
C) As much energy as the Sun emits over its entire lifetime
D) 100 times as much energy as the Sun emits over its entire lifetime

Question

Quizplus · Accepted Answer

A supernova explosion of a massive star releases approximately 100 times as much energy as the Sun emits over its entire lifetime. This is due to the enormous amount of gravitational potential energy that is converted into kinetic energy and radiation during the supernova explosion.

How Much Energy Is Released in the Supernova Explosion of a Massive