About: http://webisa.webdatacommons.org/279001758

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	For Earth to form, there had to be a giant dust cloud full of iron and other heavy elements, which can only have come from novae/supernovae.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org