Are Space Voyages Possible? Open PDF Document Details Document Type Technical Report Publication Date Dec 19, 1978 Accession Number ADA087862 Entities People I. Lin Organizations National Air and Space Intelligence Center Tags Communities of Interest Space DTIC Thesaurus Topics Air Force Artificial Satellites Deceleration Diameters Education Elementary Particles Flight Foreign Technology Line Of Sight Personal Information Managers Schematic Diagrams Solar System Space Flight Space Systems Spacecraft Students Surface Temperature Technology Areas Space