CEFR C1

astrometrician

noun

Meaning

A scientist who specializes in astrometry, the branch of astronomy concerned with the precise measurement and positional determination of celestial objects.

Examples

  • The astrometrician used advanced telescopes to map the positions of thousands of stars.
  • Her work as an astrometrician focused on detecting exoplanets by observing their gravitational effects on stars.

Synonyms: astronomer, scientist