About: http://webisa.webdatacommons.org/354765364

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	Two critical technologies that must be developed to enable this capability are an active sensor for measuring the topography of the landing site and terrain analysis algorithms.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov