About: http://webisa.webdatacommons.org/298514546

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	Methane is an organic material but the carbon which allowed its formation may have been brought by the Mars Rover Curiosity.
http://www.w3.org/ns/prov#wasQuotedFrom	netmassimo.com