if nasa was to calculate when the winter equinox is in 25000 years they would make a mistake of 50 years due to equinox precession accelerating and decelerating
the long count maya calendar that started 5000 years agon ends on a winter solstice the most important ancient festivity and the real reason we celebrate christsmas or whatever
if we make a mistake of 50 years in 25000 in 5000 years the same antelation of maya prediction we would make a mistake of 10 years yet the maya were exact
the long count maya calendar that started 5000 years agon ends on a winter solstice the most important ancient festivity and the real reason we celebrate christsmas or whatever
if we make a mistake of 50 years in 25000 in 5000 years the same antelation of maya prediction we would make a mistake of 10 years yet the maya were exact