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Aura (EOS CH-1) is a multi-national NASA scientific research satellite in orbit around the Earth, studying the Earth's ozone layer, air quality and climate. It is the third major component of the Earth Observing System (EOS) following on Terra (launched 1999) and Aqua (launched 2002). Aura follows on from the Upper Atmosphere Research Satellite (UARS). The name "Aura" comes from the Latin word for air. The satellite was launched from Vandenberg Air Force Base on July 15, 2004, aboard a Delta II 7920-10L rocket. The Aura spacecraft has a mass of about 1,765 kg. The body is 6.9 m long with the extended single solar panel about 15 m. ==In formation, in a "train" == Aura flies in a sun-synchronous orbit, in formation with the "A Train", a collection of several other satellites: * Aqua * CALIPSO * CloudSat * the French PARASOL, all satellites having an equatorial crossing time at about 1:30 in the afternoon. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Aura (satellite)」の詳細全文を読む スポンサード リンク
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