GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||
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03:17 Sep 23, 2008 |
English to Japanese translations [PRO] Science - Astronomy & Space Additional field(s): Aerospace / Aviation / Space, Physics | |||||||||||
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Summary of translations provided | ||||
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4 +2 | 脱出速度(または第二宇宙速度) |
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脱出速度(または第二宇宙速度) Definition from jaxa: 人工衛星の軌道(きどう)は加速する「速度」「方向」などによって変化します。地球から水平に秒速約7.9kmで打ち出すと、地球を円軌道で回る人工衛星となります。そのために必要な速度を「第1宇宙速度」といいます。打ち出し速度を11.2kmにすると地球の重力を脱出して太陽のまわりを回る軌道にのり、この速度を「第2宇宙速度」または「脱出速度」といいます。 Example sentence(s):
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