05:3105:31, 30 October 2023diffhist+29
Palace of Fine Arts
corrected reference and original source to B.F. Modglin who was local manager for MacDonald & Kahn (in the 2005 national archive report names M&K corporation)
02:5802:58, 31 January 2023diffhist−28
Anti-tail
added missing reference for antitail at Arend-Roland as wikipage about that comet doesn't show the photo
00:0200:02, 17 September 2022diffhist+637
Geographical centre of Earth
Replaced the wrong definition which referred to physical three-dimensional gravity-based centers with a correct one in the 2 dimensions of the spherical surface. For reference to the correct one see https://de.wikipedia.org/wiki/Mittelpunkt_der_Erdoberfl%C3%A4che or https://mars-news.de/pyramids/gizacenter3.html .