‘Ghostly’ neutrino from star-destroying black hole reveals cosmic particle accelerator of epic proportions


A ghostly particle that crashed into Antarctica in 2019 can be traced back to a black hole ripping apart a star while acting as a giant cosmic particle accelerator, a new study finds.

The scientists investigated a kind of subatomic particle known as a neutrino, which is generated by nuclear reactions and the radioactive decay of unstable atoms. Neutrinos are extraordinarily light, about 500,000 times lighter than the electron.

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