…When it was introduced to the Latin world in the 12th century (the most famous example was by Gerard of Cremona (c. 1114-87) in 1175), the title was the Latin Almagestum. The system, which uses devices such as epicycles, eccentrics, and equants, is an extremely sophisticated mathematical model for describing celestial phenomena. The possibility of a heliocentric system is also discussed. … *Some of the terminology explanations that mention "pseudo-heart" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…12世紀にラテン世界に紹介(1175年のクレモナのジェラルドGerard of Cremona(1114ころ‐87)によるものが著名)されたときも,標題はラテン語の《Almagestum》であった。周転円,離心円,擬心(エカントequant)などのしかけを使った体系は,天体現象を記述する数学的モデルとしてはきわめて精緻(せいち)である。ここでは太陽中心的体系の可能性も論じられている。… ※「擬心」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 |
〘noun〙① A method of examination for promotion to g...
The 150 years from the 1180s to the 1330s, when th...
...A military commander during the Warring States...
A full-length novel by Yumeno Kyusaku. Published i...
…A republic in the center of the Russian Federati...
This is one of the selection methods used in breed...
…If it collapses without softening or deforming, ...
... Old Maid, Doubt, Page One, Sevens, Eights, et...
1789‐1869 German physician and natural philosopher...
A bird of the passerine family Long-tailed tit (il...
Officially, it refers to the presidential residenc...
...Large gliders were developed for transporting ...
…He was born in Memphis, Texas, while his parents...
In the narrow sense, it refers to education throu...
A submerged perennial aquatic plant of the family...