About: http://webisa.webdatacommons.org/51056478

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	There are also at least 63 moons, including the four large moons called the Galilean moons that were first discovered by Galileo Galilei in 1610.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com