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- Supernova - Wikipedia
Supernovae can expel several solar masses of material at speeds up to several percent of the speed of light This drives an expanding shock wave into the surrounding interstellar medium, sweeping up an expanding shell of gas and dust observed as a supernova remnant
- Supernova | Definition, Types, Facts | Britannica
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 derived from nova (Latin: “new”), the name for another type of exploding star
- What Is a Supernova? | NASA Space Place – NASA Science for Kids
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 remnant, of a massive star in our Milky Way that died 6,500 light-years away
- What Is a Supernova: Types, Facts, and Famous Explosions
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? - Space
A supernova is what happens when a star has reached the end of its life and explodes in a brilliant burst of light
- Early views of a supernova’s first moments reveal a lopsided blast
Some of the earliest images ever taken in the wake of massive star’s death give astronomers important clues about what triggers a supernova
- For first time, scientists see the very early stages of a supernova
The explosive death of a star - a supernova - is among the most violent cosmic events, but precisely how this cataclysm looks as it unfolds has remained mysterious Scientists now have observed
- Supernovas Remnants - Harvard–Smithsonian Center for Astrophysics
Supernovas are some of the brightest events in the universe, occasionally outshining entire galaxies at their peak Many supernovas can be seen from billions of light-years away, and nearby supernovas in past centuries have been visible during the daytime
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