parallactic ellipse

  1. 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 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