About: http://webisa.webdatacommons.org/224159722

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 mass that astronomers infer for galaxies, including our own, is roughly ten times larger than the mass that can be associated with stars, gas and dust in a Galaxy.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov