About: http://webisa.webdatacommons.org/313883795

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	In the case of the sky, we perceive the light after it has been reflected from things that are present in the atmosphere such as gases, vapor, dust ... and, of course, the air itself.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com