About: http://webisa.webdatacommons.org/212822325

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	Proving that such an object really is a planet is very difficult [with current technology].
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org