An astronaut (or cosmonaut) is a person trained bi a human spaceflicht program tae command, pilot, or serve as a crew member o a spacecraft. Althou generally reserved for professional space travelers, the terms are sometimes applied tae onyane who travels intae space, includin scientists, politeecians, jurnalists, an tourists.
- NASA (2006). "Astronaut Fact Book" (PDF). National Aeronautics and Space Administration. Archived (PDF) frae the oreeginal on September 26, 2007. Retrieved October 4, 2007. Cite uses deprecated parameter
- Marie MacKay (2005). "Former astronaut visits USU". The Utah Statesman. Retrieved October 4, 2007.