About: http://webisa.webdatacommons.org/51126346

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	They are of great interest to astronomers because they are one of the primary sources of the heavy elements necessary to form planets and people.
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu