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Re: Sun goes round Earth, or something like that...
From: Geoffrey Kolbe
Date: 2014 Feb 19, 06:50 +0000
From: Geoffrey Kolbe
Date: 2014 Feb 19, 06:50 +0000
On Mon, Feb 17, 2014 at 10:26 PM, Frank Reed <FrankReed@historicalatlas.com> wrote:
Here's one to contemplate: does the Moon orbit the Earth primarily with the Sun slightly perturbing its path around the Sun? Or does the Moon orbit the Sun primarily, and the Earth just happens to be synchronized with it, with the Earth and Moon slightly perturbing each other's solar orbits?
-FER
Which has the simpler mathematical description?