About: http://webisa.webdatacommons.org/106083708

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	So even if a black hole were some sort of portal: On the other side you would just get high energy photons. (Which does not really matter, since the other side is also a black hole - so matter or photons can not escape it in any case.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org