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astrometry
(redirected from astrometric)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.04 sec.
astrometry: see astronomy astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets , stars , and galaxies ; more generally, the study of matter and energy in the universe at large.
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Astrometric measurements, unlike the Doppler method, determine the orientation of an orbiting body and can therefore gauge its true mass.
Are most extrasolar planets hefty imposters? by Cowen, R. / Science News
NASA announced funding for the 5-year mission, known as FAME (Full-sky Astrometric Mapping Explorer), last month.
FAME to gaze at the stars by Science News
He reanalyzed the movement of Lalande 21185 recorded on photographic plates taken at the observatory between 1930 and 1984, and he tracked the star's motion from 1988 to the present using a photoelectric detector called MAP (Multichannel Astrometric Photometer).
Uncertainties greet latest planet finds by Cowen, Ron / Science News
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