OV1-9
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Orbiting Vehicle 1-9, launched 11 December 1966 along with OV1-10, was the ninth satellite in the OV1 series of the United States Air Force's Orbiting Vehicle program. OV1-9 recorded low frequency rad
OV1 series satellite
Lt. Col. Clyde Northcott, Jr., OV1 program manager
AFCRL's Ludwig Katz and Capt. Paul Rothwell examine OV1-9 data
Van Allen radiation belt
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The Van Allen radiation belt is a zone of energetic charged particles, most of which originate from solar wind, that are captured and held around a planet by that planet's magnetosphere. Earth has two
Jupiter's variable radiation belts
Cutaway drawing of two radiation belts around Earth: the inner belt (red) dominated by protons and the outer one (blue) by electrons. Image Credit: NASA
Laboratory simulation of the Van Allen belt's influence on the Solar Wind; these aurora-like Birkeland currents were created by the scientist Kristian Birkeland in his terrella, a magnetized anode globe in an evacuated chamber