Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226003
Is Reference of Elliptical orbit-en#Sense
Ελλειπτική τροχιά-el#Sense
Orbita ellittica-it#Sense
Elliptisk bane-da#Sense
Órbita elíptica-pt#Sense
Orbite elliptique-fr#Sense
Elliptischer Orbit-de#Sense
Órbita elíptica-es#Sense
Elliptische baan-nl#Sense