The Solar System contains Saturn.
The two largest , Jupiter and Saturn , are gas giants , being composed mainly of hydrogen and helium ; the two outermost planets , Uranus and Neptune , are ice giants , being composed mostly of substances with relatively high melting points compared with hydrogen and helium , called volatiles , such as water , ammonia and methane .	Jupiter	Jupiter	Saturn	Saturn	Uranus	Uranus	Neptune	Neptune	planets	List of gravitationally rounded objects of the Solar System#Planets	hydrogen	hydrogen	helium	helium	volatiles	volatiles	ammonia	ammonia	methane	methane
