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Taranis - A French Mission to Study Upward Lightning

Wednesday, March 26, 2008

TARANIS is a French micro-satellite mission that is dedicated to the study of the coupling between the terrestrial atmosphere-ionosphere and magnetosphere in relation with thunderstorm activity. There exists an actively growing taxonomy of optical, radio, relativistic electron, hard X ray and gamma-ray structures in the atmosphere that have been documented to occur above thunderstorms, but that are only incompletely understood. These phenomena in turn, structure the atmosphere, ionosphere, and surrounding radiation belts, which have potential tie-ins with long-term climate variations. These variations have been recently shown to be associated with the intensity of very high-energy cosmic rays. Many of the various associations will be presented and discussed in the presentation.

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