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Nov 28, 2009
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parallac'tic ellipse'



Astron.
the apparent ellipse, as seen against the background of more distant stars, described annually by a nearby star because of the earth's orbital motion around the sun. Cf. parallax (def. 2).

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

paralipsisparallactic motion
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