About: http://webisa.webdatacommons.org/335844716

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	Or, Mars may simply never have had a dense, [...] atmosphere, although this requires explanations other than a [...] greenhouse for the morphological features used to support the hypothesis of a warm, wet early Mars.
http://www.w3.org/ns/prov#wasQuotedFrom	caltech.edu