You searched for: “geocentric parallax”
geocentric parallax, diurnal parallax (s) (noun); geocentric parallaxes;, diurnal parallaxes (pl)
The change in an astronomical object's apparent position: A geocentric parallax is caused by the change in the observer's earthly position because of the motion of the Earth during the day.
This entry is located in the following units: centro-, centr-, centri-, kentro- (page 7) geo-, ge- + (page 5)