These explosions, called supernovae, are important to the evolution of galaxies because they distribute all the common elements such as oxygen, carbon, nitrogen, calcium, and iron into ...

So, instead, supernovae are categorized by observed characteristics such as the light curves of how they brighten and fade and the types of elements identified in their spectra. While this gives ...

Most of the diverse elements in the universe come from supernovae. We are, quite literally, made of the dust of those long-dead stars and other astrophysical processes. But the details of how it ...

When their hydrogen fuel supply runs low, the blazing giants fuse heavier elements until their cores ... leading to a ...

The Big Bang produced hydrogen and helium. All the other elements have been produced by nuclear fusion reactions in stars and supernova explosions.