<http://webisa.webdatacommons.org/93704870>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/93704870>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .
<http://webisa.webdatacommons.org/prov/307993002>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/93704870> .
<http://webisa.webdatacommons.org/93704870>	<http://www.w3.org/ns/prov#value>	"In general relativity, a black hole is a region of space in which the gravitational field is so powerful that nothing, including light, can escape its pull." .