astrometry
noun/æˈstrɒmɪtri/
Frequency rank: #19,923 of 20,003 in the WORDED list (wordfreq data)
Meaning
The branch of astronomy concerned with measuring the precise positions and motions of celestial objects.
Example sentence
Scientists used astrometry to precisely measure the positions and movements of stars in the night sky.
Synonyms & related words
- star-mapping
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