observatory Definition

observation tower, lookout, lookout station, meteorological, institute, observation, station, observer, observing, observational, monitoring, monitor, agency, watchdog, watch, centrum, centre, ipo, oss, oag, emcdda, eumc, hko, observatoire, wso, addiction, comment, neo, telescope, optical telescope, astronomy, astronomer, planetarium, astronomical telescope, hubble, meteor shower, spectrograph, stargaze, spectrometer, stargazer, refracting telescope, astronomy satellite, astrometry, astrophysicist, jodrell bank, radio astronomy, satellites, solar telescope, seismometer, interferometer, spacecraft, epsilon aurigae, lighthouse, astronomical, galilean telescope, terrestrial telescope, uranoscopy, seismology, arboretum, telespectroscope, stratovolcano, cupola, earthshine, museum, sundials, atom smasher, aurora, deimos, volcanology, astrometeorology, sciamachy, orbiter, cassini, taurid, campanile, aurora borealis, cosmic ray, geomagnetism, syrtis major, comet, volcano, themis, collider, omega centauri, botanical garden, celestial sphere, geodesy, aristarchus, radiosonde, geodetic, aerial tramway, occultation, harlow shapley, quasars, newtonian telescope, perseids, meteoroid, minos, andromeda galaxy, foucault pendulum,