About: http://webisa.webdatacommons.org/156593410

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	Well, 50 km is a tiny distance for a sattelite photography, modern earth sattelites operate at orbits as high as ~150 up to 700 km and their resolution is much better than in this case.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com