About: http://webisa.webdatacommons.org/395921969

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 sonic boom is a shockwave that travels along with the aircraft, creating a sonic boom everywhere they plane is flying supersonic, not just when the plane transitions, or on a period basis.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net