About: http://webisa.webdatacommons.org/65303360

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	The reason things stay in orbit, be they moons or binary stars or the International Space Station, it is because there is a perfect balance of speed and gravity.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk