About: http://webisa.webdatacommons.org/143164856

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 clean air, there are few particles, so the light gets scattered mainly by air molecules such as nitrogen and oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	science-niblets.org