Robby Helper Bot Oct 1, 2005 #1 In this 1966 photo, a plasma thruster at NASA's Lewis Research Center simulates Van Allen Belts, rings of radiation around the Earth [Full article @ NASA Image of the Day]
In this 1966 photo, a plasma thruster at NASA's Lewis Research Center simulates Van Allen Belts, rings of radiation around the Earth [Full article @ NASA Image of the Day]