About: http://webisa.webdatacommons.org/182389949

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	Both ZetaTalk and Ferrada state that Planet X is a planet acting like a comet, and is a planet with a tail.
http://www.w3.org/ns/prov#wasQuotedFrom	ning.com