Supernova

Star's Self-destruction Is Shown In 3d, Revealing New Details

A 1,000-year-old supernova has been captured in 3D images that reveal yet unseen details of the elements that are ejected when a star explodes. Analysis of data from the Multi-Unit Spectroscopic Explorer (MUSE) and X-shooter at the European Southern...

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Astronomy Jargon 101: Wolf-rayet Stars

In this series we are exploring the weird and wonderful world of astronomy jargon! You should be wary of today’s topic: Wolf-Rayet stars! When giant stars die, they blow up in tremendous supernova explosions. But before doing so, they...
Related topics: Space

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Image: Hubble Captures The Shredded Remains Of A Cosmic Explosion

These cosmic ribbons of gas have been left behind by a titanic stellar explosion called a supernova. DEM L249 is thought to be the remnant of a Type 1a supernova, the death of a white dwarf star. White dwarf stars are usually stable, but in a binary...
Related topics: Telescopes, Hubble Space Telescope

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Academics Recreate Supernova Reaction In A Lab

Researchers in Surrey's Nuclear Physics Group have collaborated with TRIUMF National Laboratory (Canada) to achieve the first direct measurement of a supernova reaction in a laboratory using an accelerated beam of radioactive nuclei.
Related topics: Physics

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Challenging The Big Bang Puzzle Of Heavy Elements

It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang, and that supernova explosions are responsible for transmuting these elements into heavier ones. Researchers are now...
Related topics: Big Bang, Hydrogen, Helium, Lithium

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Challenging The Big Bang Puzzle Of Heavy Elements

It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang, and that supernova explosions are responsible for transmuting these elements into heavier ones. Researchers are now...
Related topics: Big Bang, Hydrogen, Helium, Lithium

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Process Leading To Supernova Explosions And Cosmic Radio Bursts Unearthed

A process important to black holes and supernovas has for the first time been demonstrated in a laboratory.
Related topics: Black Holes

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Astronomers Find A Giant Cavity In Space, Hollowed Out By An Ancient Supernova

Star formation is a topic astronomers are still trying to fully understand. We know, for example, that stars don’t form individually, but rather are born within vast interstellar molecular clouds. These stellar nurseries contain gas dense...
Related topics: Space, Interstellar Clouds

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Nasa Converted A Star's Corpse To Sound And The Result Is Surprisingly Lively - Cnet

The remnant of a supernova explosion plays quite a nice tune.
Related topics: NASA, Space

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Astronomers Solve 900-year-old Cosmic Mystery Surrounding Chinese Supernova Of 1181ad

A 900-year-old cosmic mystery surrounding the origins of a famous supernova first spotted over China in 1181AD has finally been solved, according to an international team of astronomers. New research says that a faint, fast expanding cloud (or...
Related topics: Space, Nebulas

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This Supernova Will Make A Ghostly Reappearance In 2037

A chance celestial alignment is allowing astronomers to witness a distant star’s explosive death, again and again -- Read more on ScientificAmerican.com
Related topics: Space

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Scientists May Have Located Never-before-seen Type Of Supernova

A massive and luminous explosion of a star is known as supernova, and it typically occurs at the star's last evolutionary step, or when a white dwarf is triggered into runaway nuclear fusion. The phenomenon of supernovae is still largely unknown and...

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Heavier Stars Might Not Explode As Supernovae, Just Quietly Implode Into Black Holes

A supernova is a brilliant end to a giant star. For a brief moment of cosmic time, a star makes one last effort to keep shining, only to fade and collapse on itself. The end result is either a neutron star or a stellar-mass black hole. We've...
Related topics: Neutron Stars, Black Holes

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A Black Hole Triggers A Premature Supernova

In 2017, a particularly luminous and unusual source of radio waves was discovered in data taken by the Very Large Array (VLA) Sky Survey, a project that scans the night sky in radio wavelengths. Now, led by Caltech graduate student Dillon Dong (MS...
Related topics: Black Holes, Scientific Discoveries, Polls

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Study Investigates Radio Properties Of Supernova Remnant G107.0+9.0

Astronomers from Germany and China have performed detailed radio observations of a supernova remnant (SNR) known as G107.0+9.0. Results of the observational campaign yield important insights into the radio properties of this source. The study was...
Related topics: Space

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Unveiling A Century-old Mystery: Where The Milky Way's Cosmic Rays Come From

Astronomers have succeeded for the first time in quantifying the proton and electron components of cosmic rays in a supernova remnant.
Related topics: Milky Way, Space, Electrons

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Detailed Look At Earliest Moments Of Supernova Explosion

In a world-first, astronomers at The Australian National University (ANU), working with NASA and an international team of researchers, have captured the first moments of a supernova—the explosive death of stars—in detail never-before-seen.
Related topics: Space, NASA

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Astronomers Analyze A Strange Star Hurtling Towards The Edge Of The Galaxy

Astronomers are currently studying the star known as LP 40−365. It’s a breed of fast-moving star that is a remnant of a massive white dwarf that survived a massive supernova explosion. The star is currently about 2000 light-years away from...
Related topics: Space, Galaxies

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Supernova Explosions Are Sustained By Neutrinos From Neutron Stars, A New Observation Suggests

A model for supernova explosions first proposed in the 1980s has received strong support from the observation by RIKEN astrophysicists of titanium-rich plumes emanating from a remnant of such an explosion.
Related topics: Neutrinos, Neutron Stars, Astrophysics

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Fermi Spots A Supernova's 'fizzled' Gamma-ray Burst

On Aug. 26, 2020, NASA's Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that had been racing toward Earth for nearly half the present age of the universe. Lasting only about a second, it turned out to be one for the record...
Related topics: NASA, Space, Telescopes

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