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Ghost particle that crashed into Antarctica traced back to star shredded by black hole


Ghost particle that crashed into Antarctica traced back to star shredded by black hole
A black hole gobbled up a star in deep space and flung a high-energy subatomic bullet at the Earth. Don t worry, the planet s doing fine.
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A star being ripped to shreds after it approaches a black hole. Scientists have detected a neutrino the ghost particle from such an event for the first time.
DESY, Science Communication Lab
On Oct. 1, 2019, Earth was struck by an invisible, high-energy cosmic bullet moving at almost the speed of light. Trillions of these intergalactic bullets pass through our bodies every ....

Cecilia Lunardini , Science Communication Lab , Nature Astronomy , Icecube Neutrino Observatory , Zwicky Transient Facility , Palomar Observatory , Walter Winter , German Electron Synchrotron , அறிவியல் தொடர்பு ஆய்வகம் , இயற்கை வானியல் , ஐஸ்க்யூப் நியூட்ரினோ கண்காணிப்பு , ப்யாலமர் கண்காணிப்பு , வால்டர் குளிர்காலம் , ஜெர்மன் எதிர் மின்னணு ஒத்திசைவு ,

Ghost particle from shredded star reveals cosmic particle accelerator


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IMAGE: Smoking gun: After the supermassive black hole tore the star apart, roughly half of the star debris was flung back out into space, while the remainder formed a glowing accretion.
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Credit: Credit: DESY, Science Communication Lab
Tracing back a ghostly particle to a shredded star, scientists have uncovered a gigantic cosmic particle accelerator. The subatomic particle, called a neutrino, was hurled towards Earth after the doomed star came too close to the supermassive black hole at the centre of its home galaxy and was ripped apart by the black hole s colossal gravity. It is the first particle that can be traced back to such a tidal disruption event (TDE) and provides evidence that these little understood cosmic catastrophes can be powerful natural particle accelerators, as the team led by DESY scientist Robert Stein reports in the journal ....

Hale Telescope , United States , Nordrhein Westfalen , Sjoert Van Velzen , Marek Kowalski , Cecilia Lunardini , Anna Franckowiak , Robert Stein , Mount Palomar , Francis Halzen , Karlg Jansky , Humboldt University , German Federal Ministry Of Education , Arizona State University , University Of Bochum , Us Antarctic Program , University Of Wisconsin , Helmholtz Association , Spectral Energy Distribution Machine , Mission Xmm Newton , Us National Science Foundation , Zwicky Transient Facility , South Pole , Large Hadron Collider , Walter Winter , Zwicky Transient ,