About: http://webisa.webdatacommons.org/270557518

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	To keep the planet from escaping the sun's gravitational field, the net force vector is greatest when the planet is furthest from the sun.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsclassroom.com