About: http://webisa.webdatacommons.org/444991739

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	Not all nebulas are visible this way; if the gas and dust lit by nearby stars is on the other side from them, the nebula will appear blue in color and is a reflection.
http://www.w3.org/ns/prov#wasQuotedFrom	epinions.com