About: http://webisa.webdatacommons.org/259857871

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	A black hole is an ob??ject with an enor??mous weight packed in??to such a small space that it de??vel??ops an in??vin??ci??ble gravita??t??ional force in its im??me??di??ate sur??round??ings.
http://www.w3.org/ns/prov#wasQuotedFrom	world-science.net