Crossword clues for Astronomer's measures:AEONAstronomical measurementAZIMUTHAstronomical measurementDAYAstronomical measurementPARSECSAstronomical measuresLTYRAstronomical measure: Abbr.PICARDEarth-measuring astronomer JeanSTELLARPARALLAXEffect used to measure astronomical distancesEONSAstronomer's measuresSTELLARWith 45-Down, effect used by astronomers to measure distanceAZIMUTHAstronomer's measurementLIGHTYEARAstronomer's measure.AREAL__ velocity: astronomer's measurePARSECAstronomer's measureLEAVITTAstronomer Henrietta who measured the brightness of stars in the early 20th centuryBESSELGerman astronomer who was the first to measure the distance to a star
