Crossword clues for U.S. observatory 7 lettersAnswerCluePALOMARU.S. observatoryYERKESU.S. observatory.WILLIAMSCOLLEGESite of the oldest U.S. observatoryVPSU.S. Naval Observatory residentsURANIAMuse on the U.S. Naval Observatory's sealOGOU.S. space observatoryTIMEU.S. Naval Observatory's precise info