Crossword clues for Astronomical. 6 letters:KEPLERFamous German astronomer.BESSELPrussian astronomer.HANSENFamous German astronomer.DONATIItalian astronomer, comet-discovererLENSESBig-ticket items for astronomersHARLOWAstronomer Shapley.ANDERSAstronomer CelsiusHALLEYEnglish astronomer, Newton's co-worker.GEMINIAstronomical twins.HALLEYBritish astronomer of 18th century.NEBULAAstronomical gas cloudPARSECAstronomical lengthPARSECAstronomical unit of distanceCOMETSAstronomers' finds.NEBULACloud viewed by astronomersSTARRYAstronomer's favorite kind of skyURANICAstronomical.NEBULAAstronomer's sightingDIPPERAstronomical ladleURANUSAstronomer Herschel's discovery.METEORAstronomer's sightingEPACTSPeriods astronomers reckon.HALLEYBritish astronomerHALLEYAstronomer EdmundHALLEYAstronomer EdmondNEBULAAstronomical cloudURANIAAstronomer's MuseCRATERAstronomical term coined by GalileoSTARERMOON __ (ASTRONOMER anagram)PICARDEarth-measuring astronomer JeanKEPLERAstronomer who wrote "Mysterium Cosmographicum"STARRYLike a good night for astronomersUMBRASAstronomical shadowsKEPLERGerman astronomer JohannesHALLEYBritish astronomer who predicted a 1758 returnHALLEYBritish astronomer with a comet named after himPULSARAstronomical flasherPARSECAstronomical unitPARSECAstronomer's measureSYZYGYAstronomical alignmentEDWINSAstronomer Hubble et al.HALLEYAstronomer who studied cometsPARSECAstronomical distance unitDIPPERAstronomical stapleKEPLERNASA space observatory named for a Renaissance astronomerHUBBLEEponymous astronomerPARSECAstronomical distancePRAGUEEuropean capital with a medieval astronomical clockALBEDOAstronomer's light ratioNEBULAAstronomer's concern.