About: http://webisa.webdatacommons.org/327473624

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 generally confirmed that the atmosphere was made of mainly hydrogen and helium with around 2% methane.[12] The atmosphere appeared highly transparent and lacking thick stratospheric and tropospheric hazes.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org