Saturday, August 13, 2011

Antimatter Found Orbiting Earth—A First

Source: National Geographic News
Date: 8/10/2011
by: Ker Than

Handful of particles trapped by planet's natural magnetism, study says.

The Van Allen radiation belts around Earth.

A painting of Earth's magnetic field (white arrows) depicts the Van Allen radiation belts (orange) being hit by incoming cosmic rays.
Illustration from Corbis

Earth is wearing a thin antimatter belt, according to new data that revealed antiprotons trapped high above the planet.
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