About: http://webisa.webdatacommons.org/392580157

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	I know there are bits of cosmological history where many kinds of light were obstructed, but I thought they included infrared as well, so I do not think dark is a reference to that.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com