About: http://webisa.webdatacommons.org/184740515

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	Mars and Earth started out quite similar, notes NASA. Around 4 billion years ago, Mars was warm and had flowing water with, NASA believes, a thick atmosphere composed of carbon dioxide and other greenhouse gases.
http://www.w3.org/ns/prov#wasQuotedFrom	ibtimes.com