Orr, M. A. (Mary Acworth) · London and Edinburgh, Gall and Inglis · leaf 71
stars, but theBabylonian year of 12 lunar months (each of 29 or 30 days) was 11 days sliort of this ;therefore on the 1st of Nisan in this year the sun had still 11 days march before himere he returned to the position of Fig. T.. This is equal to about 11°, so the youngmoon was also about 11° west… … Third Year, full. New Moon distant from the Pleiadeson the 1st of Nisan. Tne sun is now 2x11 = 22 days march, or about 22°, short of his first position, andthe young moon consequently about 22° west of the Pleiades, so she will not come upwith them until the 3rd Nisan, after travelling 2x13 = 26°.…
Dante Alighieri, 1265-1321 · Astronomy, Ancient · Astronomy, Medieval · Early maps
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