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Atmosphere-Space Transition Region Explorer

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Atmosphere-Space Transition Region Explorer (ASTRE) is an explorer program mission to study the interaction between the Earth's atmosphere and the ionized gases of space in an effort to understand space-induced currents in electric power grids originate as well as improve satellite drag models. The principal investigator is Robert Pfaff Jr. Goddard Space Flight Center in Greenbelt, Maryland.[1]

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