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AdvertisementSpace scientists from the University of Utah and the University of Tokyo have identified an exceedingly rare, ultra-high-energy cosmic ray believed to have traveled from beyond the Milky Way galaxy. Named the "Amaterasu particle" after the Japanese sun goddess, it is a subatomic entity, invisible to the naked eye. However, high-energy cosmic rays, like the Amaterasu particle, are exceptional and are thought to come from other galaxies and extragalactic sources. AdvertisementUnlike low-energy cosmic rays, whose origins are traceable, ultra-high-energy particles like this appear to come from seemingly empty spaces. The Amaterasu particle is believed to originate from the Local Void, an empty region bordering the Milky Way galaxy.
Persons: , John Matthews Organizations: Service, University of Utah, University of Tokyo, UNIVERSITY OF TOKYO Locations: Utah, West, Rhode Island
It rivals the single most energetic cosmic ray ever observed, the “Oh-My-God” particle that was detected in 1991, the study found. “When you get out to these really high-energy (cosmic rays), it’s more like one per square kilometer per century. It’s never going through your hand.”One of the cosmic ray detectors that make up the Telescope Array, which is based in Utah. Tracking high-energy cosmic raysThe recently discovered particle, nicknamed the Amaterasu particle after the sun goddess in Japanese mythology, was spotted by a cosmic ray observatory in Utah’s West Desert known as the Telescope Array. The atmosphere largely protects humans from any harmful effects from the particles, though cosmic rays sometimes cause computer glitches.
Persons: , John Matthews, It’s, ” Matthews, Glennys Farrar, Farrar, wasn’t, Matthews Organizations: CNN — Space, University of Utah, NASA, Collider, New York University Locations: Utah, Rhode Island
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