About: http://webisa.webdatacommons.org/293704123

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	After MESSENGER arrives in its primary science orbit, small forces, such as solar gravity ??? the gravitational attraction of the Sun ??? slowly change the spacecraft???s orbit.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com