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Re: [Phys-L] earth moon sun



The exaggeration DOES, however, make it appear that the moon's orbit has periods of convexity which it does not.

On Dec 14, 2014, at 8:47 AM, John Denker wrote:

There is now:
https://www.av8n.com/physics/img48/moon-orbit-x8.png

... Here the earth-moon distance is exaggerated by a factor
of 8 for clarity. Without that, the dots would essentially
sit on top of each other.

Even with exaggeration, the moon never backtracks. As
seen from the sun, the moon is never "in retrograde".