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Over the last 12 years, the team has detected over 30,000 rays, and upon studying the data they noticed something strange. Their findings, published Friday in the journal Science, point to the origin of the rays - literally, somewhere in a galaxy far, far away.
The team say they observed an uneven pattern of the the direction of the rays arrival to Earth, with an excess coming from a direction where the density of galaxies other than the Milky Way is relatively high.
“This clearly indicates an origin of particles outside of the Milky Way and is a very exciting outcome; the result of years of careful work with a highly tuned giant detector,”said key researcher Professor Bruce Dawson.
Where outside our galaxy they come from is still a mystery, as is how the rays are formed, though the team do have some theories.
Via ThePlanetaryArchives/BlackHorseMedia - San Francisco
