121–140 von 155 Ergebnissen
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    In-Space Propulsion Program Overview and Status

    Wercinski, Paul F. / Johnson, Les / Baggett, Randy M. | NTRS | 2003

    Exploring the Solar System

    Johnson, Les | NTRS | 2003

    Bare Conductive Tether for Decelerating a Spacecraft

    Johnson, Les / Vaughn, Jason / Welzyn, Ken et al. | NTRS | 2007

    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

    Propulsive Small Expendable Deployer System (ProSEDS) Experiment

    Johnson, Les / Estes, Robert / Lorenzini, Enrico et al. | NTRS | 1999

    The Propulsive Small Expendable Deployer System Experiment

    Johnson, Les / Estes, Robert D. / Lorenzini, Enrico et al. | NTRS | 1999

    Electrodynamic Tethers for Spacecraft Propulsion

    Johnson, Les / Estes, Robert D. / Lorenzini, Enrico et al. | NTRS | 1998

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

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

    Propulsive Small Expendable Deployer System (ProSEDS) Space Experiment

    Johnson, Les / Gilchrist, Brian / Estes, Robert D. et al. | NTRS | 1998

    Electrodynamic Tether Propulsion for Spacecraft and Upper Stages

    Johnson, Les / Gilchrist, Brian / Estes, Robert D. et al. | NTRS | 1998

    Space Transportation Systems Using Tethers

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