About: http://webisa.webdatacommons.org/14960337

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	Any particles of zero rest mass, such as photons, travel at the speed of light.
http://www.w3.org/ns/prov#wasQuotedFrom	daviddarling.info