About: http://webisa.webdatacommons.org/180623788

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They are made of rock, iron (troilite), dust and a variety of frozen chemicals including water and gases like carbon dioxide, nitrogen, carbon monoxide, ammonia and methane.
http://www.w3.org/ns/prov#wasQuotedFrom	fallofathousandsuns.com