Van Allen Belts

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   are trapped      Earth's magnetic field      field      find      launched      move      particles      said that      the sattellite   
You make use of Earth's magnetic field every time you direction with a compass. Earth's huge magnetic extends far out in space. The field acts as an unbrella that protects us from the shower of high-energy, charged particles from space. These could cause cancer and genetic damage in living things.
When the first artificial satellites were into space, scientists discovered a previously unknown region of charged particles in space near Earth. Dr. James Van Allen of the University of Iowa suggested that the particles detected come from the solar wind, the stream of charged particles emitted by the sun. He hypothesized that charged particles from the sun interact with .
Van Allen the force due to Earth's magnetic field makes the particles in circles around the field lines. The particles in regions above Earth's equator, extending from approximately 1,000 to 25,000 km above the surface of the Earth. These regions are now called Van Allen Belts in honor of the scientist who first explained them.