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Van Allen Probes

Speedy Particles Puzzle Solved? | Charles Q. Choi | Posted 12.01.2013 | Science

Huge electric fields in the radiation belts around Earth may help explain how electrons surrounding the planet can be accelerated to speeds near that ...

Space Probes Detect New 'Belt' Around Earth

Posted 03.01.2013 | Science

By: Charles Q. Choi Published: 02/28/2013 02:18 PM EST on A ring of radiation previously unknown to science fleetingly surrounded Earth ...

LISTEN: Eerie Space Sounds Captured By Twin Spacecraft

Posted 12.05.2012 | Science

By: Clara Moskowitz Published: 12/04/2012 12:44 PM EST on Two new NASA probes that are flying through the belts of radiation surroundi...