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==The footnote 1 is missing.==
Encyclopedia Britannica states "Al-Zarqali also anticipated Johannes Kepler by suggesting that the orbits of the planets are not circular but ovoid." Ovoid is egg-shaped. ( http://www.britannica.com/eb/article-70382/Spain) "Relativity: an introduction to the special theory" author, Asghar Qadir does state that Al-Zarqali had a sun-centered model with the planets in elliptical orbits. TedHuntington 22:31, 30 May 2007 (UTC)
''''Bold text'
There is a variety regarding the achievements and works completed by Abū Ishāq Ibrāhīm al-Zarqālī, they must be elaborated accordingly, his works cannot just be divided into "Theory" and "Astronomy". — Preceding unsigned comment added by Mughal Lohar ( talk • contribs) 20:56, 8 October 2011 (UTC)
I've checked the reference to the book by Ashgar Qadir and find he makes this, and a number of other, dubious and undocumented historical assertions in the introductory section to a book on physics. This claim, which contradicts the nature of Al-Zarqali's astronomical model based on eccentric circles and epicycles as used in the Tables of Toledo and as described in the discussion of his measurement in the solar apogee should either be fully documented or removed. -- SteveMcCluskey 20:54, 31 May 2007 (UTC)
I have recently looked for sources supporting and criticizing a number of myths appearing in discussions concerning the History of astronomy. If you know of any sources related to these myths, please add them to the discussion at Talk:History of astronomy/Common misconceptions. -- SteveMcCluskey 20:01, 9 June 2007 (UTC)
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==The footnote 1 is missing.==
Encyclopedia Britannica states "Al-Zarqali also anticipated Johannes Kepler by suggesting that the orbits of the planets are not circular but ovoid." Ovoid is egg-shaped. ( http://www.britannica.com/eb/article-70382/Spain) "Relativity: an introduction to the special theory" author, Asghar Qadir does state that Al-Zarqali had a sun-centered model with the planets in elliptical orbits. TedHuntington 22:31, 30 May 2007 (UTC)
''''Bold text'
There is a variety regarding the achievements and works completed by Abū Ishāq Ibrāhīm al-Zarqālī, they must be elaborated accordingly, his works cannot just be divided into "Theory" and "Astronomy". — Preceding unsigned comment added by Mughal Lohar ( talk • contribs) 20:56, 8 October 2011 (UTC)
I've checked the reference to the book by Ashgar Qadir and find he makes this, and a number of other, dubious and undocumented historical assertions in the introductory section to a book on physics. This claim, which contradicts the nature of Al-Zarqali's astronomical model based on eccentric circles and epicycles as used in the Tables of Toledo and as described in the discussion of his measurement in the solar apogee should either be fully documented or removed. -- SteveMcCluskey 20:54, 31 May 2007 (UTC)
I have recently looked for sources supporting and criticizing a number of myths appearing in discussions concerning the History of astronomy. If you know of any sources related to these myths, please add them to the discussion at Talk:History of astronomy/Common misconceptions. -- SteveMcCluskey 20:01, 9 June 2007 (UTC)
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Cheers.— InternetArchiveBot ( Report bug) 03:15, 3 October 2016 (UTC)
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Cheers.— InternetArchiveBot ( Report bug) 17:18, 25 June 2017 (UTC)