X-Nico

unusual facts about Tobias Mayer


Philipp Otto Runge

A color mixture solid of a double-triangular pyramid had been proposed by Tobias Mayer in 1758, a fact known to Runge.



see also

Guillaume Le Gentil

One of his interesting findings was that the duration of the lunar eclipse of 30 August 1765 was predicted by a Tamil astronomer, based on the computation of the size and extent of the earth-shadow (going back to Aryabhata, 5th century), and was found short by 41 seconds, whereas the charts of Tobias Mayer were long by 68 seconds.