(redirected from Near earth supernova)Also found in: Thesaurus, Encyclopedia. su·per·no·va (so͞o′pər-nō′və) n. pl. su·per·no·vae (-vē) or su·per·no·vas A rare celestial phenomenon involving the explosion of a star and resulting in an extremely bright, short...
The60Fe found on the Earth is potential evidence of a supernova explosion in Earth’s rough vicinity.60Fe is known as anextinct radionuclide. Because its half life is 2.6 million years, any60Fe on Earth should have decayed into Nickel long ago. Finding it now means it was produced in...
The destructive force may have come from very far afield, a new study suggests. Related: Great images of supernova explosions You may like Did Supernova Explosion Contribute to Earth Mass Extinction? Could Recent Supernova Explosions Have Caused Mass Extinctions on Earth? "Earth-based catastr...
During the lifetime of our Milky Way galaxy, there have been something like 100 million supernova explosions, which have enriched the Galaxy with the oxygen we breathe, the iron in our cars, the calcium in our bones and the silicon in the rocks beneath our feet. These exploding stars also...
On October 9, 2022, orbiting X-ray and γ-ray telescopes registered the most powerful explosion ever observed in the Universe—the GRB221009A γ-ray burst at a distance of 2.4 billion light years. The response of the Earth's ionosphere to this unique event was detected in the received ...
The strikingly bright shock waves from a massive star explosion first observed in 1987 can still be seen today, three decades later. This brilliant star explosion, called Supernova 1987A, occurred only 160,000 light-years from Earth in a satellite galaxy of the Milky Way known as the Large...
The supernova explosion is a very violent celestial event that usually occurs at the end of a star's life cycle. It releases so much energy which can even outshine entire galaxies for a short time. The "shock breakout" is the earliest electromagnetic radiation event following a supernova expl...
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If you see this flick, and I advise you don't, you'll understand why writers and directors bemoan the interference of MBAs, attorneys and other business oriented executives. A fine setup/premise for the first 10 minutes, great EFX & production design. And from there it becomes a laughably...
In February 1987, astronomers saw a new point of light appear in the sky: a supernova explosion, roughly 150,000 light-years from Earth. A massive star had reached the end of its fuel supply and gone down in a blaze of glory. Since then, scientists have studied the corpse of Supernov...