Physics
What triggers a star's final collapse and explosion?
Quick fact
A supernova occurs when a massive star reaches the end of its life and collapses.
Why this is interesting
Some stars end their lives in explosions so powerful they briefly outshine entire galaxies.
Read the full explanation
Understanding What triggers a star's final collapse and explosion?
The explosion releases enormous energy and spreads heavy elements throughout space.
A deeper explanation
Supernovae are responsible for creating and distributing many of the elements needed for planets and life.