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May 6, 2024 · 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?
Dec 13, 2023 · SMART NEWS. James Webb Telescope Captures Image of Supernova That ‘Absolutely Shattered’ a Star. The new image gives astronomers a near-infrared look at the stellar explosion called Cassiopeia...
Dec 10, 2023 · 6 Min Read. NASA’s Webb Stuns With New High-Definition Look at Exploded Star. Mysterious features hide in near-infrared light. Like a shiny, round ornament ready to be placed in the perfect spot on a holiday tree, supernova remnant Cassiopeia A (Cas A) gleams in a new image from NASA’s James Webb Space Telescope.
May 3, 2024 · 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.
Apr 14, 2023 · Supernova explosions are among the rarest and most cataclysmic events in the universe. This one begins as a bright dot just above the arc of the galaxy. Almost a year later, Earth time, the...
Apr 7, 2023 · Apr 07, 2023. Article. A new mid-infrared image from NASA’s James Webb Space Telescope shows the supernova remnant Cassiopeia A (Cas A), created by a stellar explosion seen from Earth 340 years ago. Cas A is the youngest known remnant from an exploding, massive star in our galaxy.
Feb 19, 2014 · 4 min read. NASA’s NuSTAR Untangles Mystery of How Stars Explode. Anthony Greicius. Feb 19, 2014. Article. Sloshing Star Goes Supernova. Watch on. One of the biggest mysteries in astronomy, how stars blow up in supernova explosions, finally is being unraveled with the help of NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR).
