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astrogation Astrogation (a portmanteau of ''astronomical navigation''), is the fictional navigation of spacecraft in interplanetary or interstellar travel.〔"Astrogation",Oxford English Dictionary()〕 The term was first used by science fiction writers in the first half of the 20th century. An early usage is in the 1953 Robert A. Heinlein novel, Starman Jones. ==See also==
* Astronautics * Celestial navigation * Orbital mechanics
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「astrogation」の詳細全文を読む
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