feb 182013
 
Studying Supernova Shocks In Situ in our own Solar System

  During a chance encounter with an unusually strong blast of solar wind arriving at Saturn, the international Cassini spacecraft detected particles being accelerated to ultra-high energies, similar to the acceleration that takes place around supernova explosions.  Saturn, the second largest planet in our Solar System. Image Credit: NASA/JPL/Space Science Institute Shock waves are commonplace in [continue reading]