<http://webisa.webdatacommons.org/31998546>	<http://www.w3.org/ns/prov#value>	"Because light and other forms of energy and matter are permanently trapped inside a black hole, it can never be observed directly." .
<http://webisa.webdatacommons.org/prov/163413477>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/31998546> .
<http://webisa.webdatacommons.org/31998546>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<rationalresponders.com> .
<http://webisa.webdatacommons.org/prov/203132727>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/31998546> .
<http://webisa.webdatacommons.org/31998546>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .