[amsat-bb] Re: Planet Pseudo-Keps

Robert Bruninga bruninga at usna.edu
Fri Feb 26 05:31:42 PST 2010

> Are there any  pseudo-keps for the planets?

Actually, the word planet comes from the meaning "wanderers"
because that is what stumped the early astronomers thousands of
years ago.  They do not have regular motion about Earth... And
Copernicus finally figured it out... They rotate around the sun.


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