61–80 von 155 Ergebnissen
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    Multiple NEO Rendezvous Using Solar Sails

    Johnson, Les / Alexander, Leslie / Fabisinski, Leo et al. | NTRS | 2012

    The PROPEL Electrodynamic Tether Mission and Connecting to the Ionosphere

    Gilchrist, Brian / Bilen, Sven / Hoyt, Rob et al. | NTRS | 2012

    Multiple NEO Rendezvous Using Solar Sail Propulsion

    Johnson, Les / Alexander, Leslie / Fabisinski, Leo et al. | NTRS | 2012

    Roadmap for In-Space Propulsion Technology

    Meyer, Michael / Johnson, Les / Palaszewski, Bryan et al. | NTRS | 2012

    Mars Sample Return Using Solar Sail Propulsion

    Johnson, Les / Macdonald, Malcolm / Mcinnes, Colin et al. | NTRS | 2012

    An Overview of Solar Sail Propulsion within NASA

    Johnson, Les / Swartzlander, Grover A. / Artusio-Glimpse, Alexandra | NTRS | 2013

    Advanced Concepts

    Johnson, Les / Mulqueen, Jack | NTRS | 2013

    Near-Earth Asteroid (NEA) Scout

    McNutt, Leslie / Johnson, Les / Kahn, Peter et al. | NTRS | 2014

    Near Earth Asteroid Scout (animation)

    Johnson, Les | NTRS | 2014

    Near-Earth Asteroid Scout

    McNutt, Leslie / Johnson, Les / Clardy, Dennon et al. | NTRS | 2014

    Implementation Options for the PROPEL Electrodynamic Tether Demonstration Mission

    Bilen, Sven G. / Johnson, Les / Gilchrist, Brian E. et al. | NTRS | 2014

    Solar and Drag Sail Propulsion: From Theory to Mission Implementation

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