About: http://webisa.webdatacommons.org/309950737

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	The Martian atmosphere consists mainly of carbon dioxide and nitrogen with a very small proportion of water vapour and ozone.
http://www.w3.org/ns/prov#wasQuotedFrom	wustl.edu