…A family of French astronomers. Four generations in a row served as directors of the Paris Observatory. The first director, Giovanni Domenico C. or Jean Dominique C. (1625-1712), was born in Italy and studied at a Jesuit school before being invited to work as an astrologer at a nobleman's observatory in Bologna. In 1656, he became a professor of astronomy at the University of Bologna and also served as an astronomy advisor to the Papal Court. He observed comets, the Sun, planets, and other objects with a telescope, revealing new facts about the rotational period and the movements of Jupiter's moons. … *Some of the terminology that mentions "Cassini, Jacques D." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…フランスの天文学者一族。4代続いてパリ天文台長をつとめた。初代台長のジョバンニGiovanni Domenico C.もしくはJean Dominique C.(1625‐1712)は,イタリアに生まれ,イエズス会の学校で学問を修めた後,占星術師としてボローニャの貴族の天文台に招かれる。1656年ボローニャ大学の天文学教授に就任,教皇庁の天文学の顧問も兼ねる。すい星や太陽,惑星などを望遠鏡で観測し,自転周期,木星の衛星の運動などについて新しい事実を加える。… ※「Cassini,Jacques 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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