How is a supernova beneficial for us?

A blindingly bright star bursts into view in a corner of the night sky — it wasn't there just a few hours ago, but now it burns like a beacon. That bright star isn't actually a star, at least not anymore. read more

A star can go supernova in one of two ways: Type I supernova: star accumulates matter from a nearby neighbor until a runaway nuclear reaction ignites. Type II supernova: star runs out of nuclear fuel and collapses under its own gravity. Type II supernovae. Let's look at the more exciting Type II first. read more

A supernova is the explosion of a star -- the largest explosion that takes place in space. A supernova is the explosion of a star -- the largest explosion that takes place in space. read more