Correction for the length of The Distance from Earth to the Moon
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How long is 647.740 chains?
It's about one-thirty-thousandth as long as The Distance from Earth to the Moon
The length of The Distance from Earth to the Moon is about 19,110,220 chains.
(a.k.a. Luna) (median of semi-major axis, or apigee, and semi-minor axes, or perigee)
The orbit of the Moon around the Earth is elliptical, with an average distance of 19,110,220 chains from center-to-center. About 428.376 kg of moon rock have been cataloged on the Earth, from the American Apollo and Soviet Luna Programs, and from samples that have been extracted from meteorites.