About: http://webisa.webdatacommons.org/358660264

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	and the abundance of elements other than Hydrogen and Iron down to F(0.5-4.5 keV) ~ 3 x 10-12
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov