About: http://webisa.webdatacommons.org/401390810

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	There is really only one sensible way to distinguish a planet from a non-planet: if an astronaut standing on the object???s surface cannot achieve escape velocity by jumping, the object is a planet.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com