…There are three types of cosmic velocity: first, second, and third, which are usually called circular orbital velocity and escape velocity in Soviet-style terminology, as described below. (1)Circular velocity: The so-called first cosmic velocity. If an object is given a certain horizontal speed at a certain altitude, the Earth's gravity and centrifugal force will be balanced, and the object will orbit the Earth in a circle, i.e., it will become an artificial satellite. … *Some of the terminology that refers to "circular velocity" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…第一宇宙速度,第二宇宙速度,第三宇宙速度の3種があるが,これはソ連系の用語でふつうは以下に述べるように円軌道速度,脱出速度と呼ばれる。(1)円軌道速度circular velocity いわゆる第一宇宙速度。物体にある高度である速度を水平に与えると,地球の重力と遠心力とがつり合って物体は地球のまわりを円を描いて周回する,すなわち人工衛星になる。… ※「circular velocity」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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