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n. - The branch of the science that treats of the celestial bodies that deals with the measurement of the position and motion of celestial bodies.

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Usage examples (36)
  • The National Aeronautics and Space Administration said the technique, called astrometry, involves measuring the motions of a star as an unseen planet tugs the star back...
  • One of the biggest requirements arguments was over an exact and usually uninteresting subfield of astronomy called astrometry, the study of how to measure precisely a...
  • The player above is able to use two of his "astrometry" detection cards on that star.
  • The first player organizes his hand by type, for example he may have 3 "astrometry" cards, 2 "pulsar timing" cards, and 2 "direct imaging" cards.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.