annual parallax

English Thesaurus

1. the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline (noun.phenomenon)

hypernym	:	parallax,
definition	:	the apparent displacement of an object as seen from two different points that are not on a line with the object (noun.phenomenon)

hyponym	:	stellar parallax,
definition	:	the heliocentric parallax of a star (noun.phenomenon)