James Spader
Nick Vanzant
Search results
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.
3 days ago · 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.
May 25, 2024 · Learn about supernovae, the explosive events that end the lives of massive stars and create many of the elements in the universe. Find out the types, history, and examples of supernovae, and how they are observed and studied by astronomers.
- The Editors of Encyclopaedia Britannica
Jun 19, 2023 · A supernova is what happens when a star has reached the end of its life and explodes in a brilliant burst of light. Supernovas can briefly outshine entire galaxies and radiate more energy than...
Nov 12, 2020 · A supernova is the cataclysmic explosion of a massive star at the end of its life. Learn about the different types of supernovae, their causes, effects and examples, and how they are classified by their spectra.
Supernovae are massive cosmic explosions that produce heavy elements and enrich space. Learn about the different types of supernovae, how they occur, and what they leave behind.
Nov 8, 2023 · Learn about the different categories of exploding stars, their progenitor stars, and their spectral signatures. Find out which supernovae are the brightest, the most common, and the most mysterious.
