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Latest comment: 1 year ago2 comments2 people in discussion
The article says, "His calculated radius for the Earth of 3928.77 miles was 2% higher than the actual mean radius of 3847.80 miles." Yet in the article Earth radius (and elsewhere in Wikipedia) the actual mean radius of Earth reported is 3959 miles. None of the 21 "published values" given in a table converts (from km) to less than 3936 miles. Unfortunately I don't have access to the cited reference to examine. Nonetheless, the mean radius should be uniform across Wikipedia, and some clarification or attribution given when it is not. Additional reliable sources might also be explored. As we all know, factual conflict reduces the credibility of the encyclopedia. — βox73 (৳alk) 07:52, 8 August 2022 (UTC)Reply
Worse than that! Al-Biruni's (local) radius of curvature used the Abbasid Caliphate's cubit, so (12 803 337cubit)*(0.4825m/cubit)= 6 177 610m . This value is only 97% of the 6370km appropriate for Punjab latitude (ie, he was 3% low, not 2% high).
[the earlier Islamic legal cubit was 0.498m => 6 376 061m, but that was over 200 years out-of-date!]
Al-Biruni did not estimate his uncertainty, so the ±20% number has zero validity, pulled out of thin air along with "alter by about 1/6"
[1/6 = 17% ... but reference 55's author admits in print (pg 216) that he did not know Biruni's measurement method nor his sightline]
[mirage-type refraction effects would be an absolute angle error, not proportional to a measured value, so that author is an idiot]
Semi-protected edit request on 27 October 2023edit
Latest comment: 5 months ago2 comments2 people in discussion
This edit request has been answered. Set the |answered= or |ans= parameter to no to reactivate your request.
I propose a change in the description of a picture.
Change "Sun (far right) – Earth (far left) and Lunar phases" to "Sun (far right) – Full moon (far left) and other Lunar phases. Earth is missing, it should be placed in the centre of the circle of Lunar phases."
https://en.wikipedia.org/wiki/Lunar_phaseJUDr. David Uhlir (talk) 08:33, 27 October 2023 (UTC)Reply
Done Changed the image caption, using the wording from another article. RudolfRed (talk) 00:44, 30 October 2023 (UTC)Reply
Latest comment: 29 days ago1 comment1 person in discussion
Hello dear . The person by name of Al Biruni is not Iranian. Even a country by this name did not have any shape on that time and he is belong to Afghanistan, so please update and edit that page. Subhan Ahmad KDR (talk) 11:58, 27 March 2024 (UTC)Reply
level-4 vital article is rated C-class on Wikipedia's content assessment scale.
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Not done: please provide reliable sources that support the change you want to be made. ScottishFinnishRadish (talk) 16:54, 20 April 2022 (UTC)
Not done: it's not clear what changes you want to be made. Please mention the specific changes in a "change X to Y" format and provide a reliable source if appropriate. Actualcpscm (talk) 22:48, 16 November 2022 (UTC)
