annual aberration

annual aberration

See aberration.

annual aberration

[′an·yə·wəl ab·ə′rā·shən]
(astronomy)
Aberration caused by the velocity of the earth's revolution about the sun.
References in periodicals archive ?
Superimposed on nutation is a tiny annual shift in the apparent positions of all stars due to Earth's 30-kilometer-per-second orbital motion with respect to their incoming light (annual aberration).