Thursday, February 28, 2013

Van Allen Probes discover surprise circling Earth

NASA's Van Allen Probes discover a surprise circling Earth

Science Codex - ‎4 hours ago‎
After most NASA science spacecraft launches, researchers wait patiently for months as instruments on board are turned on one at a time, slowly ramped up to full power, and tested to make sure they work at full capacity.
Van Allen Belts: How Little We Knew Ye
Radiation ring around Earth mysteriously appears, then dissipates

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