About: http://webisa.webdatacommons.org/178630493

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 only sure way to know that you have got a supernova in your sights, especially shortly after an explosion, is to capture a diagnostic spectrum.
http://www.w3.org/ns/prov#wasQuotedFrom	skyandtelescope.com