News tagged with cosmic ray particles

Neutrinos put cosmic ray theory on ice

(Phys.org) -- A telescope buried beneath the South Pole has failed to find any neutrinos accompanying exploding fireballs in space, undermining a leading theory of how cosmic rays are born.

Apr 20, 2012
4.5 / 5 (4) 11 | with audio podcast

Exploding stars and stripes

The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher than achieved ...

Mar 24, 2011
4.8 / 5 (6) 7 | with audio podcast

Cosmic particle accelerators get things going

(PhysOrg.com) -- ESA's Cluster satellites have discovered that cosmic particle accelerators are more efficient than previously thought. The discovery has revealed the initial stages of acceleration for the ...

Nov 17, 2011
5 / 5 (4) 0 | with audio podcast