Crossword clues for u.s. observatoryAnswerCluePALOMARU.S. observatoryYERKESU.S. observatory.WILLIAMSCOLLEGESite of the oldest U.S. observatoryURANIAMuse on the U.S. Naval Observatory's sealOGOU.S. space observatoryVPSU.S. Naval Observatory residentsTIMEU.S. Naval Observatory's precise info