1–20 von 174 Ergebnissen
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    Design of Solar Sailing Trajectories Resilient to Safe Mode Events

    Johnson, Les / Heaton, Andrew / Laipert, Frank et al. | NTRS | 2021

    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    The Kon-Tiki Mission – Demonstrating Large Solar Sails for Deep Space Missions

    Johnson, Les / Curran, Frank M. / Dissly, Richard W. et al. | NTRS | 2019

    Solar Sail Propulsion Status

    Johnson, Les | NTRS | 2019

    Solar Sail Propulsion

    Johnson, Les | NTRS | 2018

    Predictive Thermal Control (PTC) Technology for Stable Telescopes

    Eng, Ron / Brooks, Thomas / Stahl, H. Philip et al. | NTRS | 2018

    Solar Sails

    Johnson, Les | NTRS | 2018

    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    New Moon Explorer Mission Concept

    Johnson, Les / Carr, John / Dervan, Jared et al. | NTRS | 2019

    Solar Sails

    Johnson, Les | NTRS | 2018

    Near Earth Asteroid Scout Mission Update

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

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

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

    Solar Sail Propulsion for Small Spacecraft

    Johnson, Les / Lockett, Tiffany / Few, Alex | NTRS | 2018

    New Moon Explorer Robotic Precursor Mission Concept

    Dervan, Jared A. / Johnson, Les / McNutt, Leslie et al. | NTRS | 2018

    STMD: Nuclear Thermal Propulsion Update

    Mitchell, Sonny / Johnson, Les | NTRS | 2019