51–60 von 62 Ergebnissen
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    In-Space Propulsion Program Overview and Status

    Carroll, Carol / Johnson, Les / Baggett, Randy | NTRS | 2002

    Propulsion Options For Interstellar Exploration

    Johnson, Les / Leifer, Stephanie | NTRS | 2000

    Tether Transport System Study Summary Performed under Contract to Marshall Space Flight Center

    Vonderwell, Dan / Bangham, Mike / Dionne, Heather et al. | NTRS | 1998

    Space Transportation Systems Using Tethers

    Johnson, Les / Estes, Robert / Lorenzini, Enrico | NTRS | 1997

    Electrodynamic Tethers for Reboost of the International Space Station

    Johnson, Les / Herrmann, Melody / Vas, Irwin et al. | NTRS | 1999