About: http://webisa.webdatacommons.org/325529601

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	Today, however, Charon is covered mainly by dark water ice, and Pluto mainly by bright methane ice.
http://www.w3.org/ns/prov#wasQuotedFrom	astronomytoday.com