Supernova, Definition, Types, & Facts

Supernova, any of a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level. When a star ‘goes supernova,’ considerable amounts of matter may be blasted into space with such a burst of energy as to enable the star to outshine its entire home galaxy.

Supernova Remnant Facts - The Planets

What Is a Supernova? NASA Space Place – NASA Science for Kids

Type Ia supernovae: Inside the universe's biggest blasts

Supernova - Wikipedia

Type Ia supernova - Wikipedia

Type Ia supernovae: Inside the universe's biggest blasts

Supernova: Definition, Facts And Significance

Supernova

Using supernovae to measure distances