About: http://webisa.webdatacommons.org/18926882

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	A gravitational lens is a distant object, such as a galaxy surrounded by dark matter, that exerts a gravitational pull on light passing through it.
http://www.w3.org/ns/prov#wasQuotedFrom	ucdavis.edu