Topic: NASA’s Twin Van Allen Probes

NASA’s Van Allen Probes find third Radiation Belt around the Earth

March 2, 2013 |

Written by Dr. Tony Phillips
Science at NASA

Washington, D.C. – Earth’s radiation belts were one of the first discoveries of the Space Age. A new finding published in today’s issue of Science shows that we still have much to learn about them. NASA’s twin Van Allen Probes, launched just last August, have revealed a previously unknown third radiation belt around Earth.

“Even 55 years after their discovery, Earth’s radiation belts still are capable of surprising us,” said Nicky Fox, Van Allen Probes deputy project scientist at the Johns Hopkins University Applied Physics  Laboratory in Laurel, MD. “We thought we knew the radiation belts, but we don’t.”

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NASA’s twin Van Allen Probes sheds light on the mysteries surrounding Earth’s Radiation Belt System

December 11, 2012 |

Johns Hopkins University/Applied Physics Laboratory (JHU/APL)

Laurel, MD – Just 96 days since their launch, NASA’s twin Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth, giving scientists a clearer understanding about the fundamental physical properties of these regions more than half a century after their discovery.

In a press conference at the American Geophysical Union’s 2012 Fall Meeting in San Francisco, members of the Van Allen Probes science team discussed current findings made in unlocking the mysteries of the radiation belts.

A graphic depicting the twin Van Allen Probes in orbit within Earth’s magnetic field. (Credit: JHU/APL)

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