About: http://webisa.webdatacommons.org/224823726

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, or Messier 42, is a H II region excited by stars in the Trapezium Cluster, the dense concentration of bright, hot stars near the center of the image.
http://www.w3.org/ns/prov#wasQuotedFrom	caltech.edu