Into this measure of time, 366 beats of what the authors claim were Megalithic observatories such as Newgrange in Ireland which they believe uses three interlocking carved spirals to perform astronomical calculations by geometric methods.
Into this measure of time, 366 beats of 0.5MY Venus pendulum fit very precisely. Venus's retrograde motion was determined by Civilization One astronomers in Megalithic observatories such as Newgrange in Ireland which uses three interlocking carved spirals to perform astronomical calculations by geometric methods.