About: http://webisa.webdatacommons.org/383185218

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	In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org