About: http://webisa.webdatacommons.org/156329090

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	According to a blog at Discover Magazine Bad Astronomy the phenomenon appears in a bubble and the flash is an indication that it was caused by a sudden impulse of energy and a rapid expansion of the material.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk