About: http://webisa.webdatacommons.org/80472038

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	It has been nearly two decades since the first exoplanets ??? that is, planets around stars other than our Sun ??? were discovered.
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu