About: http://webisa.webdatacommons.org/75306252

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	What the astronomers found is that the period of the eclipses is very slowly changing, and the best explanation is that of the two planets tugging on the stars as they orbit.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com