About: http://webisa.webdatacommons.org/396758305

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	They act like beacons shining through everything along their paths, including the gas between and within galaxies along the line of sight.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov