Guest guest Posted May 7, 2004 Report Share Posted May 7, 2004 DearGuruji, Traditionally astrologers are using geocentric co-ordinates which assumes that everyone was born at the centre of the earth. Modern astrologers use co-ordinate system that considers even height of a place from the sea level called as topocentric co-ordinates. This is a modern technique where planet positions are calculated as seen from the actual surface location of the Earth. The difference between the geocentric and topocentric systems is that of parallax (the apparent difference in an object's position as viewed from different points.) The more distant the object, the less the parallax. For the Moon, the parallax can reach about one degree in both longitude and declination. For the rest of the planets, it is less than half a minute of arc. This means that we have been calculating WRONG moon positions years after years. If Parashara and Varahamihira come to know abt this mistake will they continue to do it or correct it immediately. Tarkatirth Message 40487 of 40527 | Previous | Next [ U Quote Link to comment Share on other sites More sharing options...
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