Hints of mysterious dark matter revealed by cosmic rays

September 22, 2014 12:22 PM

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Hints of mysterious dark matter revealed by cosmic rays

A particle detector floating 250 miles above Earth has analyzed 41 billion cosmic-ray particles, and the data have revealed new insights into the mysterious and invisible dark matter that physicists believe makes up 27 percent of the universe.

The Alpha Magnetic Spectrometer (AMS) detector aboard the International Space Station already gathered evidence of dark matter last year, but the new results are the most precise measurements of cosmic-ray particles yet. They include 50 percent more data, and have revealed new insights into the orig...

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