What flings mysteriously powerful particles called 'cosmic rays' at Earth?
Space.com ·

On Earth, the Large Hadron Collider can smash atoms together and accelerate particles to near light speeds — but in space, there are high-energy cosmic rays with over 10 million times more power than …
On Earth, the Large Hadron Collider can smash atoms together and accelerate particles to near light speeds — but in space, there are high-energy cosmic rays with over 10 million times more power than even those zippy particles. And now, new research suggests such cosmic rays may hide a secret that is the key to unlocking a 60-year-old space puzzle. …
Original source: Space.com