About: http://webisa.webdatacommons.org/153564227

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	At this time, says Graham, everyone thought that celestial bodies such as the moon and planets were fiery, lighter-than-air objects.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com