<http://webisa.webdatacommons.org/452219500>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/446759641>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/452219500> .
<http://webisa.webdatacommons.org/452219500>	<http://www.w3.org/ns/prov#value>	"in the UV (O VI) and at X-ray wavelengths (O VII & O VIII) and oxygen is a relatively abundant element." .
<http://webisa.webdatacommons.org/452219500>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<caltech.edu> .