EntityQ1413444· pop 13· linked from 15 articlesmaculaSign in to saveunusually dark area on the surface of a planet or moonConnectionsLatinEntityplanetEntityPlutoEntityInternational Standard Book NumberEntitynatural satelliteEntityTitanEntityEuropaEntityTritonEntityCharonEntityOxford English DictionaryEntityCambridge University PressEntitycryovolcanoEntityplanetary geologyEntityplanetary nomenclatureEntityGanesa MaculaEntityCategoriesPlanetary geology