A mystery surrounding the space around our solar system is unfolding thanks to evidence of supernovae found in deep-sea sediments. …read more Source:: Science
Tag: supernovae
Exploding stars may have caused mass extinction on Earth, study shows
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•Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth’s rock record could confirm …read more Source:: Science
Astronomers discover new class of cosmic explosions
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•Analysis of two cosmic explosions indicates to astronomers that the pair, along with a puzzling blast from 2018, constitute a new type of event, with similarities to some supernovae and …read more Source:: Science
Explosions of universe’s first stars spewed powerful jets
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•Instead of ballooning into spheres, as once thought, early supernovae ejected jets that may have seeded new stars. …read more Source:: Science
Stars exploding as supernovae lose their mass to companion stars during their lives
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•Stars over eight times more massive than the sun end their lives in supernovae explosions. The composition of the star influences what happens during the explosion. …read more Source:: Science
A thousand new objects and phenomena in night sky
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•The Zwicky Transient Facility, based at the Palomar Observatory, has identified over a thousand new objects and phenomena in the night sky, including more than 1,100 new supernovae and 50 …read more Source:: Science
Did supernovae kill off large ocean animals at dawn of Pleistocene?
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•The effects of a supernova — and possibly more than one — on large ocean life like school-bus-sized Megalodon 2.6 million years ago are detailed in a new article. …read more Source:: Science
Detonating white dwarfs as supernovae
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•A new mathematical model created by astrophysicists details a way that dead stars called white dwarfs could detonate, producing a type of explosion that is instrumental to measuring the extreme …read more Source:: Science