About: http://webisa.webdatacommons.org/276031408

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	The problem is that gravity is the weakest force, and the wavelengths of radiation from SMBH binaries are huge.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com