About: http://webisa.webdatacommons.org/450773558

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	Each comet was a world, a permanent celestial body, formed of the four elements.
http://www.w3.org/ns/prov#wasQuotedFrom	fixedreference.org