About: http://webisa.webdatacommons.org/97760019

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	After the invention of the spectroscope it was possible to establish the spectrum or wavelength profile of light from various sources such as the Sun or heated objects.
http://www.w3.org/ns/prov#wasQuotedFrom	sjsu.edu