What is the ultimate cause of the rotation of this vast globe, we know no more than the ancients knew what caused the heavens to rotate;
Conservation of angular momentum?
we know no more than the ancients knew why the sun appeared to move among the stars.
More conservation of angular momentum?
Orion has never come without the Pleiades being around the corner.
But it's observationally just the other way around. The Pleiades come out of the dawn a month
before Orion. Whether any of the ancients actually mixed evening and morning appearances and risings as this quote suggests, I truly don't know. But I've never seen it mentioned in 40+ years of amateur astronomy.
edtt - fix bad tag
This message has been edited by Coragyps, 01-26-2005 20:35 AM