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Gamma-Ray Observatory Collects Best View of Cosmic Explosion

Gamma-Ray Observatory Collects Best View of Cosmic Explosion
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La Palma , Stefan Wagner , Dmitry Khangulyan , Deutsches Elektronen , Edna Ruiz Velasco , Andrew Taylor , Sylvia Zhu , High Energy Stereoscopic System , Science Communication Lab , Rikkyo University , Deutsches Elektronen Synchrotron , Gamsberg Mountain , Max Planck Institute , Nuclear Physics , Cherenkov Telescope Array , Chilean Andes , Canary Island , லா பால்மா , ஸ்டீபன் வாக்னர் , எட்னா ர்டீஸ் வெலாஸ்கோ , ஆண்ட்ரூ டெய்லர் , அறிவியல் தொடர்பு ஆய்வகம் , றிக்கியோ பல்கலைக்கழகம் , அணு இயற்பியல் , சிலியன் அண்டெஸ் , கேனரி தீவு ,

Universe's biggest EXPLOSION is caught on camera

Astronomers detected gamma-ray burst GRB 190829A on August 29, 2019
This was relatively close to the Earth compared to previous gamma-ray bursts
It was a billion light years away, where others are 20 billion light years away
The team were able to monitor the energetic afterglow radiation for three days
The German astronomers say the burst likely marked the moment when a large star died in a supernova explosion and began its transition into a black hole ....

La Palma , Stefan Wagner , Dmitry Khangulyan , Edna Ruiz Velasco , Andrew Taylor , Sylvia Zhu , High Energy Stereoscopic System , Rikkyo University , Max Planck Institute For Nuclear Physics , German Electron Synchrotron , Max Planck Institute , Nuclear Physics , Cherenkov Telescope Array , Chilean Andes , Canary Island , லா பால்மா , ஸ்டீபன் வாக்னர் , எட்னா ர்டீஸ் வெலாஸ்கோ , ஆண்ட்ரூ டெய்லர் , றிக்கியோ பல்கலைக்கழகம் , ஜெர்மன் எதிர் மின்னணு ஒத்திசைவு , அணு இயற்பியல் , சிலியன் அண்டெஸ் , கேனரி தீவு ,

We Finally Have The First-Ever Evidence of Cosmic Superaccelerators in Our Galaxy

6 APRIL 2021
A cosmic gamma ray detected zipping across the Milky Way has broken the record for the most energetic we ve found yet, clocking in at a whopping 957 trillion electronvolts (teraelectronvolts, or TeV).

This not only more than doubles the previous record, it brings us close to the range of petaelectronvolts (that s a quadrillion electronvolts) - finally confirming the existence of cosmic superaccelerators that can boost photons to these energies in the Milky Way.
Such a superaccelerator is called a PeVatron, and finding them could help us figure out what is producing the high-energy gamma rays streaking across the galaxy.
This pioneering work opens a new window for the exploration of the extreme Universe, said physicist Jing Huang of the Chinese Academy of Sciences in China. The observational evidence marks an important milestone toward revealing cosmic ray origins, which have puzzled mankind for more than one century. ....

Jing Huang , Masato Takita , University Of Tokyo , Institute Of High Energy Physics , Chinese Academy Of Sciences , Milky Way , Chinese Academy , Crab Nebula , High Energy Physics , Air Shower , Large High Altitude Air Shower Observatory , Cherenkov Telescope Array , Southern Wide Field Gamma Ray Observatory , Physical Review , ஜிங் ஹுவாங் , பல்கலைக்கழகம் ஆஃப் டோக்கியோ , நிறுவனம் ஆஃப் உயர் ஆற்றல் இயற்பியல் , சீன கலைக்கழகம் ஆஃப் அறிவியல் , பால் வழி , சீன கலைக்கழகம் , நண்டு நெபுலா , உயர் ஆற்றல் இயற்பியல் , அேக மழை , பெரியது உயர் உயரம் அேக மழை கண்காணிப்பு , தெற்கு பரந்த புலம் காமா ராய் கண்காணிப்பு , உடல் விமர்சனம் ,

Physics - Signs of PeVatrons in Gamma-Ray Haze

Signs of PeVatrons in Gamma-Ray Haze
April 5, 2021•
Physics 14, 41
A diffuse glow of high-energy gamma rays hints at the presence of powerful cosmic accelerators, called PeVatrons, within the disk of our Galaxy.
Tibet AS
m
AS
experiment detects high-energy gamma rays by observing showers of particles produced when the gamma rays hit molecules in Earth’s atmosphere.
Tibet AS
m
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experiment detects high-energy gamma rays by observing showers of particles produced when the gamma rays hit molecules in Earth’s atmosphere.×
The interstellar medium is filled with relativistic charged particles mostly protons and helium nuclei. Spaceborne telescopes and earthbound observatories have revealed that these cosmic rays can have energies exceeding ....

United States , Milky Way , Magallanesy Antaica Chilena , Petra Huentemeyer , Galactic Center , University Of Utah , Los Alamos National Laboratory , University Of Hamburg , Northern Hemisphere Of The Galactic Center , Department Of Physics , Michigan Technological University , Professor Of Physics At Michigan Technological University , Crab Nebula , High Altitude Water Cherenkov Observatory , Galactic Plane , Alan Stonebraker , Large High Altitude Air Shower Observatory , Cherenkov Telescope Array , Canary Islands , Southern Wide Field Gamma Ray Observatory , South America , Solar System , Southern Hemisphere , Northern Hemisphere , Los Alamos National , Southern Wide Field Gamma Ray ,

High-energy particle accelerators within our galaxy discovered -- Science & Technology -- Sott.net

Fri, 02 Apr 2021 17:48 UTC
Move over, CERN. Unknown sources in the Milky Way dubbed PeVatrons accelerate protons to energies of a few peta-electronvolts - dozens of times higher than the yield of the Large Hadron Collider.
Now, new data from a high-altitude experiment in Tibet confirm that such very-high-energy cosmic rays are indeed produced in our own galaxy.
© APS; Background (atomic hydrogen distribution): HEASARC / LAMBDA / NASA / GFSC
Ultra high-energy diffuse gamma rays (yellow points) are distributed along the Milky Way Galaxy. The gray shaded area indicates the area outside the detectors field of view. The results paint a much fuller picture of the PeVatron population in the Milky Way, says Pat Harding (Los Alamos National Laboratory), who was not involved in the study. ....

La Palma , Los Alamos , United States , Milky Way , Magallanesy Antaica Chilena , Masato Takita , Kelly Malone Los Alamos National Laboratory , American Physical Society , Kazumasa Kawata University Of Tokyo , Pat Harding Los Alamos National Laboratory , Large Hadron , Pat Harding , Los Alamos National Laboratory , Physical Review Letters , Michigan Tech , Cygnus Cocoon , Kazumasa Kawata , High Energy Physics , Chinese Academy , Large High Altitude Air Shower Observatory , Cherenkov Telescope Array , Southern Wide Field Gamma Ray Observatory , Kelly Malone , லா பால்மா , லாஸ் அலமோஸ் , ஒன்றுபட்டது மாநிலங்களில் ,