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Há 4 dias · 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.
6 de mai. de 2024 · Learn about the causes, types, brightness, and effects of supernovas, the biggest explosions in the universe. Find out how NASA scientists use telescopes to study these spectacular events and what they reveal about the origin of elements and the expansion of space.
13 de mai. de 2024 · Localizada a cerca de 6.500 anos-luz da Terra na constelação de Touro, a Nebulosa do Caranguejo é uma remanescente de supernova, ou seja, os restos de uma estrela que explodiu.
Há 6 dias · Learn about supernovae, the explosive events that end the lives of massive stars and create many of the heavier elements in the universe. Find out the types, history, and effects of supernovae, and see images and videos of some of the most famous ones.
- The Editors of Encyclopaedia Britannica
6 de mai. de 2024 · Una supernova es la explosión más grande que los humanos hayan contemplado jamás. Aprende cómo se producen, qué tan brillantes son y qué podemos aprender de ellas en este artículo de NASA Space Place.
24 de mai. de 2024 · I recently wrote about the dangers of a nearby supernova, a star exploding close to our own solar system. For astronomers, though, “close” means something different than it does for other ...
10 de mai. de 2024 · Although it’ll take some time, this system is very likely to produce a supernova. The bad news: it’s only 150 light-years from us, close enough to be dangerous.
