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Internet Search Results
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.
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.
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.
15 Facts About Supernovas: The Universe’s Biggest Explosions
During a supernova, temperatures and pressures become so extreme that nuclear reactions produce elements heavier than iron. This process, known as rapid neutron capture or the r-process, builds atomic nuclei in fractions of a second.
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.
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? 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.
New type of supernova provides unprecedented look inside a ... - CNN
Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes.
SUPERNOVA Definition & Meaning - Merriam-Webster
A supernova is far larger; a star in its supernova state may emit a billion times as much light as previously. After a few weeks it begins to dim, until it eventually ceases to exist; it's often replaced by a black hole.
James Webb Telescope Just Announced First Real Image of a Supernova
In a astronomical breakthrough, NASA's James Webb Space Telescope (JWST) has just released its first actual picture of a supernova—a milestone in our astronomical journey to the universe.
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