About: http://webisa.webdatacommons.org/208447610

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 optical spectra of the light echo were used to confirm that the supernova was a Type Ia and to unambiguously determine the particular class of explosion and therefore its energy.
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu