astrometry

Englisch - Türkisch

Definition von astrometry im Englisch Türkisch wörterbuch: astrometri; gökölçüm; zamandizin

Englisch - Englisch

Definition von astrometry im Englisch Englisch wörterbuch: That branch of astronomy that deals with the measurement of the positions and motions of celestial bodies, particularly stars; measurement of the positions and motions of objects in the sky The word astrometry derives from the Greek roots astro (the combining form of the Greek word 'a`stron, meaning star) and meter (measure); the branch of astronomy that deals with the measurement of the position and motion of celestial bodies; The accurate determination of the positions and motions of celestial objects; Division of astronomy dealing with precise determinations of the positions, motions, and parallaxes of astronomical bodies; The careful, precise measurement of astronomical objects, usually made with respect to standard catalogues of star positions For comet orbit computations, astrometry good to 1" or 2" (1 or 2 arc seconds), or better, is the standard nowadays; The art of making measurements among the stars, or of determining their relative magnitudes