Saturday, December 21, 2013

ScienceDaily: Cosmic Rays News

ScienceDaily: Cosmic Rays News


Van Allen Probes shed light on decades-old mystery

Posted: 20 Dec 2013 05:07 PM PST

New research using data from NASA's Van Allen Probes mission helps resolve decades of scientific uncertainty over the origin of ultra-relativistic electrons in Earth's near space environment, and is likely to influence our understanding of planetary magnetospheres throughout the universe.

Birth of black hole kills the radio star

Posted: 20 Dec 2013 08:40 AM PST

Astronomers have discovered a new population of exploding stars that "switch off" their radio transmissions before collapsing into a Black Hole. These exploding stars use all of their energy to emit one last strong beam of highly energetic radiation -- known as a gamma-ray burst -- before they die.

Scientists solve a decades-old mystery in Earth's upper atmosphere

Posted: 18 Dec 2013 10:37 AM PST

New research resolves decades of scientific controversy over the origin of ultra-relativistic electrons in the Earth's near space environment, and is likely to influence our understanding of planetary magnetospheres throughout the universe.

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