About: http://webisa.webdatacommons.org/217663791

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	As the supernova's shockwave expanded outwards, it created a cool, dense shell of gas ??? just the sort of environment where dust grains could seed and grow.
http://www.w3.org/ns/prov#wasQuotedFrom	asdnews.com