About: http://webisa.webdatacommons.org/156563517

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	Heavy elements such as carbon, silicon and oxygen first needed to be created from supernovae and the stellar cores of the first generations of stars before the first planets could form.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org