parallactic ellipse
nounAstronomy.
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.: Compare parallax (def. 2).
Words Nearby parallactic ellipse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use parallactic ellipse in a sentence
If a penny-piece were placed on this sphere, in front of each of the stars, every parallactic ellipse would be totally concealed.
The Story of the Heavens | Robert Stawell Ball
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