1–50 of 155 hits
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    Space Transportation Systems Using Tethers

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

    Electrodynamic Tether Propulsion for Spacecraft and Upper Stages

    Johnson, Les / Gilchrist, Brian / Estes, Robert D. 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 Tethers for Spacecraft Propulsion

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

    Overview of Future NASA Tether Applications

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

    Propulsive Small Expendable Deployer System (ProSEDS) Experiment

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

    Electrodynamic Tethers for Reboost of the International Space Station

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

    The Propulsive Small Expendable Deployer System Experiment

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

    Propulsion Options For Interstellar Exploration

    Johnson, Les / Leifer, Stephanie | NTRS | 2000

    Propulsive Small Expendable Deployer System (ProSEDS)

    Ballance, Judy / Johnson, Les / Rogacki, John R. | NTRS | 2000

    Interstellar Propulsion Research Within NASA

    Johnson, Les / Cook, Stephen | NTRS | 2001

    Selection and Prioritization of Advanced Propulsion Technologies for Future Space Missions

    Eberle, Bill / Farris, Bob / Johnson, Les et al. | NTRS | 2002

    Propulsive Small Expendable Deployer System (ProSEDS)

    Curtis, Leslie / Johnson, Les / Brown, Norman S. | NTRS | 2002

    Benefits of Nuclear Electric Propulsion for Outer Planet Exploration

    Kos, Larry / Johnson, Les / Jones, Jonathan et al. | NTRS | 2002

    In-Space Propulsion Program Overview and Status

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

    NASA's In-Space Propulsion Program

    Johnson, Les | NTRS | 2003

    Exploring the Solar System

    Johnson, Les | NTRS | 2003

    In-Space Propulsion Program Overview and Status

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

    NASA's In-Space Propulsion Technology Program: Overview and Status

    Johnson, Les / Alexander, Leslie / Baggett, Randy et al. | NTRS | 2004

    In-Space Propulsion for Science and Exploration

    Bishop-Behel, Karen / Johnson, Les | NTRS | 2004

    NASA's In-Space Propulsion Technology Program: Overview and Update

    Johnson, Les / Alexander, Leslie / Baggett, Randy M. et al. | NTRS | 2004

    NASA In-Space Propulsion Technology Program: Overview and Update

    Johnson, Les / Alexander, Leslie / Baggett, Randy M. et al. | NTRS | 2004

    Spacecraft Solar Sails Containing Electrodynamic Tethers

    Johnson, Les / Matloff, Greg | NTRS | 2005

    NASA's In-Space Propulsion Technology Program: A Step Toward Interstellar Exploration

    Johnson, Les / James, Bonnie / Baggett, Randy et al. | NTRS | 2005

    A Strategic Roadmap to Centauri

    Johnson, Les / Harris, David / Trausch, Ann et al. | NTRS | 2005

    The Interstellar Conspiracy

    Johnson, Les / Matloff, Gregory L. | NTRS | 2005

    In-Space Propulsion Technologies for Robotic Exploration of the Solar System

    Johnson, Les / Meyer, Rae Ann / Frame, Kyle | NTRS | 2006

    Holographic Solar Photon Thrusters

    Johnson, Les / Matloff, Greg | NTRS | 2006

    Recent Advances in Solar Sail Propulsion at NASA

    Johnson, Les / Young, Roy M. / Montgomery, Edward E., IV | NTRS | 2006

    Status of Solar Sail Propulsion: Moving Toward an Interstellar Probe

    Johnson, Les / Young, Roy M. / Montgomery, Edward E., IV | NTRS | 2006

    NASA Solar Sail Propulsion Technology Development

    Johnson, Les / Montgomery, Edward E. / Young, Roy et al. | NTRS | 2007

    Bare Conductive Tether for Decelerating a Spacecraft

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

    Solar Sailing

    Johnson, Les / Montgomery, Edward E. / Young, Roy et al. | NTRS | 2008

    Fortissimo: A Japanese Space Test Of Bare Wire Anode Tethers

    Johnson, Les / Fujii, H. A. / Sanmartin, J. R. | NTRS | 2008

    Solar Sailing

    Johnson, Les | NTRS | 2009