title: The low-cost ticket to space.
authors.affiliation: Southwest Research Institute, Boulder, Colo., USA.
authors.forename: S Alan
authors.initials: SA
authors.lastname: Stern
mesh_terms: D003132:Commerce; D003365:Costs and Cost Analysis; D005118:Extraterrestrial Environment; D006801:Humans; D011332:Privatization / Q000191:economics*; D012106:Research / Q000639:trends*; D013026:Space Flight / Q000191:economics* / Q000458:organization & administration*; D018531:Spacecraft; D014481:United States; D018557:United States National Aeronautics and Space Administration