Ben Turner is a U.K. based staff writer at Live Science. He covers physics and astronomy, among other topics like tech and climate change. He graduated from University College London with a degree in particle physics before training as a journalist.
Scientists have detected the most energetic cosmic rays ever discovered, and they're being produced by mysterious sources relatively close to Earth.
"This is an important result, as we can conclude that the measured CRe most likely originate from very few sources in the vicinity of our own solar system, up to a maximum of a few 1000 light years away, a very small distance compared to the size of our Galaxy," corresponding author Kathrin Egberts, head of experimental astroparticle physics at the University of Potsdam in Germany, said in a statement.
To find the cosmic ray electrons, the researchers used the HESS observatory, an array of five 40-foot telescopes in the Khomas Highland of Namibia. RELATED STORIES—Astronomers discover enormous 'barrier' separating the center of the Milky Way from the cosmic ray sea—Astronomers discover new class of cosmic explosion brighter than 100 billion suns
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