…He was invited to join the newly established Academie des Sciences in France, and became the first director of the newly established Paris Observatory, and became a naturalized French citizen in 1669. He achieved many accomplishments, including discovering the gap in Saturn's rings (Cassini's Division), discovering the moons of Saturn, and proposing Cassini's Law of the Moon's rotation. He also got into geodesy and began a national survey of France, which was passed down from his son to his grandson until it was completed. The second was Jacques C. (1677-1756), born in Paris. … *Some of the terminology that mentions "Cassini, JD" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…新たに生まれたフランスのアカデミー・デ・シアンスに招かれ,さらに新設のパリ天文台の初代台長に就任して,69年フランスに帰化した。土星の環にある間隙(カッシニの隙間),土星の衛星の発見,月の自転に関するカッシニの法則の提案などの業績を挙げ,また測地学にも手を染め,フランスの全国的測量に着手したが,これは息子から孫に受け継がれて完成されることになった。 2代目はジャックJacques C.(1677‐1756)で,パリ生れ。… ※「カッシニ,J.D.」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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