Guest guest Posted December 9, 2007 Report Share Posted December 9, 2007 Dear list, Thank you invitation to this list. I am from Austria and engaged in research upon cultural astronomy and calendars, in particular in the adjustment of the AD count. I run a website about my research at: www.calendersign.com Upon the rate of precession, that was in use in ancient Indian astronomy I have some question and want you to ask for original citations. I found an article from Guillaume Joseph Hyacinthe Jean-Baptiste LE GENTIL de la Galaisiere, a French astronomer, who was in India to observe the venus transits of 1761 and 1769. It deals with very interesting material about the connection of precession and the Indian calculation of the age of the world. http://www.ub.uni-bielefeld.de/diglib/ aufkl/teutmerk Le Gentil tells that he discussed with an Indian Brahman, who kept his knowledge secret for the common people. The Brahman said that Indian astronomy was improved and renewed under the king Salivaganam (in AD 78) 1691 years ago (calculated from the year 1769 AD) . The Brahman use for chronology a period of 60 years and the stars precede in the following way: each year 54 arcsec In 60 years 54 min in 3600 (60*60) years 54 degree. As you see any step between this periods differ by a factor 60! The Brahman used as value of duration of the world 4 320 000 years and divided it into four ages: 1st age, 1 728 000 years 2nd age, 1 296 000 years (3/4 of 1st age) 3rd age, 864 000 years (2/3 of 2nd age) 4th age, 432 000 years (1/2 of 3rd age) Another assumption of the Brahman was: In 1762 AD 4863 years of the 4th age, the Kali Yuga (Calyougan) have passed. (BTW: This results in that the Kali Yuga started in -3101 (3102 BCE), as also Berossos reports as the moment of the deluge) The Brahman assume also that 20400 year before the beginning of the Kali Yuga a conjunction of all planets has happened! This is very interesting because 20400 = 24000 - 3600! As shown above 3600 years also represent exactly the precessional shift (of the Brahman value) of 54°. The adjustment of the Indian Yuga system is thus based beside the Great Year doctrine also upon their used value of precession! An interesting parallel: The Brahman value of precession results in 24000 years for the entire cycle and thus in 666 years each 10° (or each decan). Please tell me of any referrence if you know any citation that shows a parallel or a any precessionbal value that used Aryabhata or astronomers before him. Servus Sepp Rothwangl Quote Link to comment Share on other sites More sharing options...
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