About: http://webisa.webdatacommons.org/439993225

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 Orion nebula is a diffuse nebula situated south of the three stars that compose Orion's Belt in the Orion constellation.
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com