When a massive star reaches the end of its life, it can explode as a supernova. But there's a unique type of supernova that's much brighter that we're just starting to understand—and which may prove useful in measuring ...
Astronomy
Feb 27, 2020
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A "core-collapse" supernova occurs when the iron core of a massive star collapses under the force of gravity and then rebounds, generating pressure waves and shocks that propagate outward. A superluminous supernovae is a ...
Astronomy
Apr 16, 2018
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An international team of researchers has discovered a way to use observations at ultraviolet (UV) wavelengths to uncover characteristics about superluminous supernovae previously impossible to determine, reports a new study ...
Astronomy
Sep 07, 2017
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Many rock stars don't like to play by the rules, and a cosmic one is no exception. A team of astronomers has discovered that an extraordinarily bright supernova occurred in a surprising location. This "heavy metal" supernova ...
Astronomy
Jul 31, 2017
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The death of a massive star in a distant galaxy 10 billion years ago created a rare superluminous supernova that astronomers say is one of the most distant ever discovered. The brilliant explosion, more than three times as ...
Astronomy
Jul 21, 2017
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Sightings of a rare breed of superluminous supernovae—stellar explosions that shine 10 to 100 times brighter than normal—are perplexing astronomers. First spotted only in last decade, scientists are confounded by the ...
Astronomy
Feb 03, 2017
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In 2015, the All Sky Automated Survey for SuperNovae (ASAS-SN) detected an event, named ASASSN-15lh, that was recorded as the brightest supernova ever—and categorised as a superluminous supernova, the explosion of an extremely ...
Astronomy
Dec 12, 2016
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Supernovae are among the most violent phenomena in the universe. They are huge explosions that end the lives of certain types of stars. These explosions release immense amounts of energy, so much that some can be observed ...
Astronomy
Jul 27, 2016
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(Phys.org)—A team of astronomers has found a hydrogen-poor superluminous supernova with exceptional properties. According to a research paper published online on May 17, on the arXiv pre-print server, the cosmic explosion, ...
(Phys.org) —The first images taken by the Dark Energy Survey (DES) after the survey began in August 2013 have revealed a rare, 'superluminous' supernova that erupted in a galaxy 7.8 billion light years away. The stellar ...
Astronomy
Jun 25, 2014
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