Astronomers closer to pinpointing origin of cosmic rays

July 9, 2014 1:01 PM

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“Now we know where to look,” one of the astronomers involved in the study says.

One of the most recognizable constellations in the sky is known as the Big Dipper, but what you might not realize is that a ray of powerful, highly charged particles streams from its stars towards Earth. Now this collection of rays may be the key to unlocking a mystery over a century old, revealing...

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