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We are finally closing in on the cosmic origins of the “OMG particle”

We are finally closing in on the cosmic origins of the “OMG particle”

30 May 2023

Three decades ago, we spotted the single most energetic particle ever seen, nicknamed the 'Oh-My-God particle'. Since then, we have seen many more ultra-high-energy cosmic rays – and now we are unravelling the mystery of what produces them


HEXDC6 Cosmic rays.Artwork of high-energy particles radiation from star in deep space (cosmic rays) impacting molecules atoms in Earth's atmosphere.These primary impacts cause secondary cascade of subatomic particles.Detection analysis of these particles,which include protons,neutrons,light nuclei,neutrinos,pions,and muons,can reveal source of cosmic rays.These sources may include gamma ray bursts (GRBs),active galactic nuclei,supernovae quasars.Such research is carried out atmospheric balloons,or advanced detectors built underground or underwater,to shield them from other radiation.

US Navy is developing GPS that uses cosmic rays to navigate the Arctic

7 December 2021

At higher latitudes, traditional GPS navigation is not reliable, but muons produced when cosmic rays hit Earth’s atmosphere could be used to navigate in the Arctic, as well as underground or in the water


Ophiuchus constellation

Mysterious cosmic rays spotted coming from ordinary stellar explosions

26 August 2021

High energy cosmic rays usually come from powerful supernova explosions, but a new discovery suggests they can be released by smaller nova explosions too


Godzilla

Godzilla: King of the Monsters reveals our obsession with radiation

12 June 2019

Godzilla is back in the film King of the monsters. Japan’s nuclear-powered creature exposes our obsession with radiation, says Simon Ings in his latest column


Northern lights

The Northern Lights make a mysterious noise and now we might know why

3 April 2019

For 30 years, one man has been obsessed with the whisperings of the aurora borealis. His search for its origins may finally be over


Violent black holes spit neutrinos at Earth and we finally caught one

Violent black holes spit neutrinos at Earth and we finally caught one

12 July 2018

For the first time, we have traced a high-energy neutrino back to its origin - a black hole 4 billion light years away - and solved an old cosmic mystery


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