ScienceDaily: Astronomy News |
| Earth's radiation belt: Van Allen probes reveal zebra stripes in space Posted: 19 Mar 2014 12:32 PM PDT Scientists have discovered a new, persistent structure in one of two radiation belts surrounding Earth. NASA's twin Van Allen Probes spacecraft have shown that high-energy electrons in the inner radiation belt display a persistent pattern that resembles slanted zebra stripes. Surprisingly, this structure is produced by the slow rotation of Earth, previously considered incapable of affecting the motion of radiation belt particles, which have velocities approaching the speed of light. |
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