1–50 von 155 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

    Near Earth Asteroid Scout: Exploring Asteroid 1991VG Using A Smallsat

    Johnson, Les / Castillo-Rogez, Julie / Lockett, Tiffany | 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

    Near Earth Asteroid Scout: Exploring an Asteroid Using a SmallSat

    Johnson, Les / Lockett, Tiffany / Castillo-Rogez, Julie | NTRS | 2019

    Near Earth Asteroid Scout Mission Update

    Pruitt, Matt / Lockett, Tiffany / Matus, Joe et al. | NTRS | 2019

    Near Earth Asteroid Scout Mission Update

    Sweetser, Ted / Lantoine, Gregory / Castillo-Rogez, Julie et al. | NTRS | 2020

    Solar Sail Propulsion

    Johnson, Les | NTRS | 2018

    Solar Sails

    Johnson, Les | NTRS | 2018

    Nuclear Thermal Propulsion and Power: A New Capability for Outer Planet Science and Exploration

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

    New Moon Explorer (NME) Robotic Mission Concept

    Dervan, Jared A. / Johnson, Les / McNutt, Leslie et al. | 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 / Castillo-Rogez, Julie / Dervan, Jared | NTRS | 2017

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

      Johnson, Les / Lockett, Tiffany | 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

    Near Earth Asteroid (NEA) Scout

    Johnson, Les / Dervan, Jared / McNutt, Leslie et al. | NTRS | 2017

    Solar Sails for Spacecraft Propulsion

    Johnson, Les | NTRS | 2016

    Propulsion Technology Assessment: Science and Enabling Technologies to Explore the Interstellar Medium

    Hopkins, Randall C. / Thomas, Herbert D. / Wiegmann, Bruce M. et al. | NTRS | 2016

      Propulsion Technology Assessment: Science and Enabling Technologies to Explore the Interstellar Medium

      Hopkins, Randall C. / Thomas, Herbert D. / Wiegmann, Bruce M. et al. | NTRS | 2015

      Propulsion Technology Assessment: Science and Enabling Technologies to Explore the Interstellar Medium

      Hopkins, Randall C. / Thomas, Herbert D. / Wiegmann, Bruce M. et al. | NTRS | 2016

    Near Earth Asteroid (NEA) Scout

    Johnson, Les / Dervan, Jared / Castillo, Julie C. | NTRS | 2017

    In-Space Chemical Propulsion Systems Roadmap

    Palaszewski, Bryan / Meyer, Michael / Johnson, Les et al. | NTRS | 2017

    Near Earth Asteroid (NEA) Scout

    Johnson, Les | NTRS | 2016

    NEA Scout and Lunar Flashlight: Two Near-Term Interplanetary Solar Sail Missions

    Johnson, Les / Cohen, Barbara / McNutt, Leslie et al. | NTRS | 2015

    Solar Sails

    Johnson, Les | NTRS | 2016

    Near-Earth Asteroid Scout

    Walden, Amy / Clardy, Dennon / Johnson, Les | NTRS | 2015

    Lightweight Integrated Solar Array (LISA): Providing Higher Power to Small Spacecraft

    Johnson, Les / Carr, John / Fabisinski, Leo et al. | NTRS | 2015

    Solar Sail Propulsion for Interplanetary CubeSats

    Johnson, Les / Cohen, Barbara / McNutt, Leslie et al. | NTRS | 2015

    Solar Sail Propulsion for Interplanetary Cubesats

    Johnson, Les / Sobey, Alex / Sykes, Kevin | NTRS | 2015

    Electric Sail Propulsion for Exploring Nearby Interstellar Space

    Johnson, Les / Wiegmann, Bruce M. / Bangham, Mike | NTRS | 2015

    Near Earth Asteroid Scout (animation)

    Johnson, Les | NTRS | 2014

    Solar and Drag Sail Propulsion: From Theory to Mission Implementation

    Johnson, Les / Alhorn, Dean / Boudreaux, Mark et al. | NTRS | 2014

    Near-Earth Asteroid Scout Mission

    Heaton, Andrew / Castillo-Rogez, Julie / Frick, Andreas et al. | NTRS | 2014