About: http://webisa.webdatacommons.org/46660764

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	I think part of the answer is that people didn't previously have any concept of any of those star types until scientists theorized or discovered them.
http://www.w3.org/ns/prov#wasQuotedFrom	unmannedspaceflight.com