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- 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
- 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
- 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
- DOE Explains. . . Supernovae | Department of Energy
Supernovae are thus essential to life After a core collapse supernova, all that remains is a dense core and hot gas called a nebula When stars are especially large, the core collapses into a black hole Otherwise, the core becomes an ultra-dense neutron star
- What is a Supernova? Yes, Its Truly Super Cool.
If a very nearby star goes supernova, it can genetically alter or possibly even destroy life on Earth Even a fairly distant one often leaves visible wreckage that makes us telescopically gawk at what very much resembles a disastrous event
- 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? Exploring the Explosive Death of Stars and Its . . .
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 Earth and life itself, and they play a critical role in the evolution of galaxies and stars
- What Is a Supernova? One of the Universes Biggest Spectacles . . .
Before the invention of the telescope, Western astronomers used stella nova to refer to the appearance of such a temporary new star Today, we know them to be not stars being born but stars in
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