...It became clear that the large empirical terms were caused by unequal rotational speeds of the Earth. A lunar calendar based on the new method is called the "Revised Lunar Ephemeris." WJ Eckert (1902-71) and others calculated the "Revised Lunar Ephemeris" for the years 1952-59, prior to 1960, and published it in 1954. *Some of the terminology explanations that refer to the "Revised Lunar Estimation Calendar" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…大経験項は地球の自転速度の不等に起因することが明らかになったからである。新方式による月の暦は《改訂月推算暦》といわれる。エッカートW.J.Eckert(1902‐71)らは1960年に先だつ1952‐59年の《改訂月推算暦》の計算を行って1954年に出版した。… ※「《改訂月推算暦》」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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