| 释义 |
parallax /parˈə-laks/ noun- An apparent change in the position of an object caused by change of position in the observer
- (in astronomy) the apparent change (measured angularly) in the position of a heavenly body when viewed from different points, called the daily or diurnal or geocentric parallax when viewed from opposite points on the earth's surface, and the annual or heliocentric parallax when viewed from opposite points of the earth's orbit
ORIGIN: Gr parallaxis, from para beside, beyond, and allassein to change, from allos another parallacˈtic or parallacˈtical adjective parallactic motion see proper motion under proper |