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Supernova - Wikipedia
A supernova (pl.: supernovae or supernovas) 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. Supernovae resemble novae in several respects.

What Is a Supernova? | NASA Space Place – NASA Science for Kids
A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. An illustration of one of the brightest and most energetic supernova explosions ever recorded. Image credit: NASA/CXC/M.Weiss. What causes a supernova?

What is a supernova? | Space
Supernovas can briefly outshine entire galaxies and radiate more energy than our sun will in its entire lifetime. They're also the primary source of heavy elements in the universe. According to...

Supernovae Information and Facts | National Geographic
These stars end their evolutions in massive cosmic explosions known as supernovae. When supernovae explode, they jettison matter into space at some 9,000 to 25,000 miles (15,000 to 40,000...

What is a Supernova? Definition, Causes, Types of Supernova Explosions ...
What is a Supernova? This is the biggest explosion that will ever light up the modern universe. Every blast is the extremely bright, super-powerful explosion of a star. Supernovas are so bright that they can be seen across the universe, outshining their entire galaxies for a few days or even months. How Rare is a Supernova?

Supernova - Simple English Wikipedia, the free encyclopedia
A supernova is the explosion of a giant star. It usually happens when the nuclear fusion in the star cannot hold the core against its own gravity. [ 1 ] The core collapses, and then explodes.

Hubble Spots a Supernova - NASA Science
The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 million light-years away in the constellation Gemini. Hubble captured this image roughly two months after a supernova named SN 2022aajn was discovered. The supernova is visible as a blue dot at the center of the image, brightening the hazy body of the galaxy.

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.

What is a supernova? - EarthSky
A supernova is the name given to the cataclysmic explosion of a massive star at the end of its life. It can emit more energy in a few seconds than our sun will radiate in its lifetime of...

         

 

 

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