About: http://webisa.webdatacommons.org/6625688

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	And that anything that has been added to light, including mass, has in a sense been a pollutant of light.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu