Article Correctness Is Author's Responsibility: Observatory Detects Extragalactic Cosmic Rays Hitting the Earth

Newswise imageFifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies. Since then, they have argued about the source of those ultra-high energy cosmic rays--whether they came from our galaxy or outside the Milky Way. The answer is a galaxy or galaxies far, far away, according to a report published Sept. 22 in Science by the Pierre Auger Collaboration.
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