About: http://webisa.webdatacommons.org/166962199

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	The straight line connecting the long wavelength red to the short wavelength blue is not composed of pure spectral lines, rather these 'purples' are a linear combination of the extreme red and blue colors.
http://www.w3.org/ns/prov#wasQuotedFrom	markkness.net