View Full Version : Solving the Mystery of Cosmic Rays' Origins

2009-Nov-02, 06:10 PM
What accelerates cosmic rays to nearly the speed of light? Astronomer have pondered that question for nearly 100 years, and now new evidence supports a theory held for two decades that cosmic rays likely are powered by exploding stars and stellar winds. "This discovery has been predicted for almost 20 years, but until now [...]

More... (http://www.universetoday.com/2009/11/02/solving-the-mystery-of-cosmic-rays-origins/)