Supernova - Wikipedia
Supernova SN 1994D (bright spot on the lower left), a Type Ia supernova within its host galaxy, NGC 4526 A supernova (pl.: supernovae) is a powerful and luminous explosion of a star. A …
Supernova | Definition, Types, & Facts | Britannica
Dec 24, 2025 · supernova, any of a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level. The term supernova is …
What Is a Supernova? Definition, Types, and Famous Examples
What is a supernova? Learn how massive stars explode, the types of supernovae, and the famous cosmic events captured by astronomers.
What Is a Supernova: Types, Facts, and Famous Explosions
Oct 3, 2025 · What is a supernova explained simply? Learn how stars explode, the types of supernovae, what they leave behind, and the most famous supernovae in history.
What Is a Supernova? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · A supernova of a star more than about 10 times the size of our sun may leave behind the densest objects in the universe— black holes. The Crab Nebula is the leftover, or …
What is a Supernova? Exploring the Explosive Death of Stars ...
Mar 30, 2025 · A supernova is not just a star’s death—it is a dramatic event that reshapes the cosmos. These cosmic explosions are responsible for creating the elements that make up the …
Supernovae Information and Facts - National Geographic
A supernova can light the sky up for weeks, and the massive transfer of matter and energy leaves behind a very different star.