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RETROGRADE (from the Lat. retro, back...

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Originally appearing in Volume V23, Page 203 of the 1911 Encyclopedia Britannica.
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See also:

RETROGRADE (from the See also:Lat. retro, backwards, gradiri, to go) , in See also:astronomy, the direction of the apparent See also:motion of a See also:planet from E. to W.; the opposite of its See also:regular motion around the See also:sun, and due to the motion of the See also:earth .

End of Article: RETROGRADE (from the Lat. retro, backwards, gradiri, to go)
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