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Jul 9, 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.
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.
Jun 19, 2023 · A supernova is the explosion of a massive star. There are many different types of supernovae, but they can be broadly separated into two main types: thermonuclear runaway or...
Jun 15, 2024 · Learn about supernova, a violent explosion of a star that outshines its entire galaxy and releases many elements. Find out the types, history, and examples of supernovae, and how they are observed and studied.
Jun 6, 2024 · Don’t confuse a nova with a supernova, a final, titanic explosion that destroys some dying stars, Hounsell said. In a nova event, the dwarf star remains intact, sending the accumulated material hurtling into space in a blinding flash.
Supernovae are massive cosmic explosions that produce heavy elements and shock waves that trigger new star formation. Learn about the different types of supernovae, how they occur, and what they leave behind in the universe.
Apr 7, 2023 · Learn how NASA's James Webb Space Telescope reveals the details of Cassiopeia A, a supernova remnant created by a stellar explosion 340 years ago. See the colors, shapes, and dust of this cosmic debris field and how it relates to the origins of life and the universe.
