About: http://webisa.webdatacommons.org/185800877

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	People had assumed that this was due to varying levels of tiny particles in the air ??? now research shows that the effect is actually mostly due to light reflected off the cloud and bouncing off the particles.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com