Rosa ursina sive sol (English spelling) Rosaursinasivesol

Japanese: 《Rosa ursina sive sol》(英語表記)Rosaursinasivesol
Rosa ursina sive sol (English spelling) Rosaursinasivesol


[Modern Observations with Telescopes]
Telescopic observations began in 1611 by four people: J. Fabricius, G. Galilei, C. Scheiner, and T. Harriot (1560-1621). The results were published in G. Galilei's Letter on Sunspots (1613) and C. Scheiner's Rosa ursina sive sol (1626-30). They concluded that sunspots were not planets but a solar phenomenon because their shape and size change as they move, and derived the solar rotation period from their movement.

*Some of the terminology that mentions "Rosa ursina sive sol" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[望遠鏡による近代観測]
 望遠鏡による観測は1611年J.ファブリチウス,G.ガリレイ,C.シャイナー,ハリオットT.Harriot(1560‐1621)の4人によって幕あけした。その成果はG.ガリレイの《太陽黒点についての手紙》(1613)およびC.シャイナーの《Rosa ursina sive sol》(1626‐30)に著されている。彼らは黒点が移動中に形,大きさを変えることから,惑星でなく太陽面現象であるとし,その移動から太陽自転周期を求めている。…

※「《Rosa ursina sive sol》」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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