EntityQ364882· pop 28· linked from 117 articlesmeridian circleSign in to saveAstronomical instrument for timing of the passage of starsConnectionsnadirEntityhorizontal coordinate systemEntitystarEntityHamburgEntityphotographyEntitymercuryEntitytemperatureEntityInternational Standard Book NumberEntitysteelEntityangleEntitytelescopeEntitymicroscopeEntityatmosphere of EarthEntityPtolemyEntityancient historyEntityUniversity of CambridgeEntityOaklandEntitylatitudeEntityweightEntityGöttingenEntityCategoriesAstrometryTelescopes