Question

How does supernova change the universe?

Answer 1

One kind of supernova has shown scientists that we live in an expanding universe, one that is growing at an ever increasing rate. Scientists also have determined that supernovas play a key role in distributing elements throughout the universe. When the star explodes, it shoots elements and debris into space.

Answer 2

as the star runs out of nuclear fuel , some of it's mass flows into the core