About: http://webisa.webdatacommons.org/372735188

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	So we though these planets are gaseous, but internally, these giant planets, just like the sun, is maining composed of irons and other heavy elements.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com