Supernova - Wikipedia A supernova (pl : supernovae) is a powerful and luminous explosion of a star A supernova occurs during the last evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion
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
Supernovae - NASA One Survey by NASA’s Roman Could Unveil 100,000 Cosmic Explosions
What is a supernova? - EarthSky A supernova is a star's colossal explosion at the end of its life, which can outshine its entire galaxy Read about causes and types of supernovae here
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
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