Supernova and Supernova Clarification Flashcards
What is a Supernova?
The huge explosion of particles and gas from a dying star.
What is Electron Degeneracy Pressure?
An electron pressure that keeps stars from collapsing.
What is Electron Capture?
Where Electron Degeneracy Pressure fails and the electrons fall into the nucleus.
What happens when the electrons fall into the nucleus in Electron Capture?
It all becomes only neutrons and energy, and neutrinos are released.
How bright is a Supernova?
It can, for a very short time, outshine the galaxy it’s in.
What happens when a star with an iron core Supernovas?
A neutron star is made, since it is so dense.
How dense is a Neutron Star?
A neutron star is generally the size of a big city.
What happens when a star >20x the sun Supernovas?
A black hole is formed.
When was the Crab Nebula Supernova?
About 7,500 years ago.
