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АРКАД (космический проект)
Материал из Википедии — свободной encyclopedia
АРКАД (ArcAD, фр. Arc Auroral et Densité, англ. Arctic Aurora Density) — совместный советско-французский космический проект по исследованию физических процессов в магнитосфере и верхней атмосфере Земли. В проводимых экспериментах изучался процесс вторжения частиц высоких энергий в атмосферу Земли в области высоких широт, вызывающий полярные сияния. Проект осуществлялся на космических аппаратах, получивших название «Ореол-1» и «Ореол-2» и запущенных в 1971 и 1973 годах. Третий спутник по проекту АРКАД, «Ореол-3», был запущен в 1981 году.
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