About: http://webisa.webdatacommons.org/2591143

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	Examples of disturbances are shock waves from supernovae; spiral density waves within galaxies and the close approach or collision of another cloud.
http://www.w3.org/ns/prov#wasQuotedFrom	rabbithole2.com