About: http://webisa.webdatacommons.org/78633299

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	spectrograph is an instrument that spreads light from a hot glowing object, such as a light bulb or a star,
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net