... It is very difficult to derive an accurate theory of the moon's motion. The theory used to date is that of E. W. Brown, which has been in use since 1923, but recently J. Chapront and others in France have developed a more precise theory, which is being adopted by many countries. *Some of the terminology that mentions "Chapront, J." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 月の運動理論を正確に求めることは非常にむずかしい。現在まで使われているのは1923年から採用されているE.W.ブラウンの理論であるが,最近フランスのシャプロンJ.Chaprontらがより精密な理論を完成し,各国で採用されようとしている。 ※「Chapront,J.」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 |
>>: Chappuis, MJ (English spelling) ChappuisMJ
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