Thread: During the middle of the Eocene, about 40 million years ago...
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Old November 6th 10, 08:49 PM posted to sci.astro.amateur,sci.physics
Sam Wormley[_2_]
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Default During the middle of the Eocene, about 40 million years ago...
On 11/6/10 3:33 PM, oriel36 wrote:
Hey Sam,how many times does a star return to the same position 3
minutes 56 seconds earlier from...

366.24 rotations in one year (vernal equinox to vernal equinox).