About: http://webisa.webdatacommons.org/103891660

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	More than 400 exoplanets ??? that is, planets orbiting stars other than our Sun ??? are now officially catalogued and new planets are being discovered all the time.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsworld.com