1–20 von 119 Ergebnissen
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    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    Solar Sail Propulsion Status

    Johnson, Les | NTRS | 2019

    Electrostatic Solar Sail: A Propellantless Propulsion Concept for an Interstellar Probe Mission

    DeStefano, Anthony M. / Wiegmann, Bruce M. / Bangham, Mike et al. | NTRS | 2019

    Solar Sails

    Johnson, Les | NTRS | 2018

    Using Nuclear Thermal Propulsion to Help Enable the Exploration and Development of Space

    Houts, Mike / Johnson, Les / Gerrish, Harold et al. | NTRS | 2018

    STMD: Nuclear Thermal Propulsion Update

    Mitchell, Sonny / Johnson, Les | NTRS | 2019

    NASA's Nuclear Thermal Propulsion (NTP) Project

    Houts, Mike / Mitchell, Sonny / Aschenbrenner, Ken et al. | NTRS | 2018

    The Challenge of In Space Propulsion

    Johnson, Les / Percy, Tom | NTRS | 2018

    NASA's Space Launch System: Progress Toward the Proving Ground

    Jackman, Angie / Johnson, Les | NTRS | 2017

      NASA'S Space Launch System: Progress Toward the Proving Ground

      Jackman, Angie / Johnson, Les | NTRS | 2017

    Near Earth Asteroid Scout: NASA's Solar Sail Mission to a NEA

    Johnson, Les / Lockett, Tiffany | NTRS | 2017

      Near Earth Asteroid Scout: NASA's Solar Sail Mission to a NEA

      Johnson, Les / Castillo-Rogez, Julie / Dervan, Jared | NTRS | 2017

    Earth to Orbit Beamed Energy Experiment

    Johnson, Les / Montgomery, Edward E. | NTRS | 2017

    Earth to Orbit Beamed Energy Experiment (EBEX)

    Johnson, Les / Montgomery, Edward E, Sandy | NTRS | 2017

    Earth-to-Orbit Beamed Energy eXperiment (EBEX)

    Johnson, Les / Montgomery, Edward E. | NTRS | 2017