...flight in space, i.e. outside the Earth's atmosphere. In this case, the aircraft can be unmanned, but it is generally considered to be the movement of humans through space, in other words, space travel. *Some terminology explanations that mention "space travel" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…宇宙空間,すなわち地球の大気圏外を飛行すること。この場合,飛行体は無人であってもかまわないわけであるが,一般には,宇宙空間を人間が移動している状態,言い換えれば宇宙旅行space travelとしてとらえられることが多い。 ※「space travel」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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