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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク COSPAR international reference atmosphere ： ウィキペディア英語版 COSPAR international reference atmosphere The COSPAR International Reference Atmosphere (CIRA) is an empirical model of the atmosphere of Earth. It consists of a set of tables of average air pressures, altitudes and temperatures. The CIRA models are developed by the Committee on Space Research (COSPAR) and have been important for the planning of spaceflight.〔(COSPAR International Reference Atmosphere: 1986 (0 km to 120 km) (NASA) )〕〔(The COSPAR International Reference Atmosphere CIRA-86 (British Atmospheric Data Centre) )〕 == History == Orbit determinations and flight planning of the very first satellites proved to be more complicated than expected due to a lack of knowledge on the upper atmosphere. The Committee on Space Research therefore set up a long lasting special project to elaborate a reference model of the most important parameters of the upper atmosphere. The first CIRA appeared 1961 as ''CIRA1961''. It was a set of tables reconsidered year for year by the ''Task group on the CIRA'' originally chaired by ''Hildegard Kallmann-Bijl''. 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「COSPAR international reference atmosphere」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.