NASA’s Fermi Sees No Gamma Rays From Nearby Supernova
The 2023 observation of supernova SN 2023ixf in the Pinwheel galaxy provided a unique chance to study cosmic ray production, ...
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A Super Cosmic Ray Accelerator – Chinese Astronomers Discover Giant Ultra-High-Energy Gamma-Ray Bubble
LHAASO has identified a super cosmic ray accelerator in a gamma-ray bubble in the Cygnus region, marking a significant advancement ...
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Unraveling the Mysteries of the Universe With the Most Powerful Explosions
Two neutron stars begin to merge in this artist’s concept, blasting jets of high-speed particles. Collision events like this one ...
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Will the Next Solar Maximum Solve the Puzzle of the Sun’s Gamma-Ray Picture?
Color-coded density plot of gamma rays with energies between 5 and 150 gigaelectronvolts per photon, emitted by the Sun between ...
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NASA Tracks the Brightest Cosmic Event Ever Recorded – “This Thing’s Crazy!”
Astronomers think a long GRB (gamma-ray burst) arises from a massive, rapidly rotating star when its core runs out of ...
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Scientists Propose New Explanation for “Impossible” Gamma-Ray Burst
Northwestern University researchers have developed simulations showing that long gamma-ray bursts, previously thought to be exclusive to massive star collapses, ...
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