outer planets 
äußere Planeten 
50 astronomical units 
50 astronomische Einheiten 
Uranus 
Uranus 
Neptune 
Neptun 
Kuiper belt 
Kuiper-Gürtel 
Pluto 
Pluto 
Saturn 
Saturn 
Jupiter 
Jupiter 
Sun 
Sonne 
Oort cloud 
Oortsche Wolke 
50,000 astronomical units 
50.000 astronomische Einheiten 