A1S1T1R1O1M3E1T1R1I1E1S1
14 points
ASTROMETRIES is validvalid
ASTROMETRY, [n]
ASTROMETRY, the art of making measurements among the stars, or of determining their relative magnitudes [n]
ASTROMETRY, [n]
ASTROMETRY, the art of making measurements among the stars, or of determining their relative magnitudes [n]