Ultrahigh energy cosmic rays come from far, far away | Science News

Ultrahigh energy cosmic rays may travel hundreds of millions of light-years to reach detectors on Earth, a new study shows. This animation outlines the rays’ journey to Earth from one possible starting point: being launched from a black hole at the center of a distant galaxy. Scientists still don’t know how the rays really get such high energies. Read more: http://ow.ly/5w3W30fkBjS

CREDITS
Animation
Aurelio Grillo, Vincenzo Napolano, Federica Grigoletto, Carlo Hinterman and Mario Salvucci

Story
Lisa Grossman

Production
Helen Thompson

Music
'The Lark' by Franz Joseph Hadyn
Musopen
https://musopen.org/music/1594/franz-...

Citation
The Pierre Auger Collaboration. Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8x1018 eV. Science. Vol. 357, September 22, 2017, p. 1266. doi: 10.1126/science.aan4338.

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