About: http://webisa.webdatacommons.org/71207881

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	Perhaps since light is a wave then could it not degrade over time and distance.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com