About: http://webisa.webdatacommons.org/187503359

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	Fortunately, this uncertainty mainly drops out of the problem since it is essentially the ratio of the age of the universe then to the age of the universe now that matters when considering angles on the sky and that is much better known.
http://www.w3.org/ns/prov#wasQuotedFrom	uchicago.edu