About: http://webisa.webdatacommons.org/147998295

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 is the best evidence for it is existence other than observations based on the 'bullet' cluster?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com