1–20 of 90 hits
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    Advanced X-Ray Timing Array Mission: Conceptual Spacecraft Design Study

    R. C. Hopkins / L. Johnson / H. D. Thomas et al. | NTIS | 2011

    Benefits of Nuclear Electric Propulsion for Outer Planet Exploration

    L. Kos / L. Johnson / J. Jones et al. | NTIS | 2002

    Challenge of In Space Propulsion

    L. Johnson / T. Percy | NTIS | 2018

    Demonstrations of Deployable Systems for Robotic Precursor Missions

    J. Dervan / L. Johnson / T. Lockett et al. | NTIS | 2017

    Electric Sail Propulsion for Exploring Nearby Interstellar Space

    L. Johnson / B. M. Wiegmann / M. Bangham | NTIS | 2015

    Electrodynamic Tether Propulsion and Power Generation at Jupiter

    D. L. Gallagher / L. Johnson / J. Moore et al. | NTIS | 1998

    Electrodynamic Tether Propulsion for Spacecraft and Upper Stages

    L. Johnson / B. Gilchrist / R. D. Estes et al. | NTIS | 1998

    EXPORTS North Atlantic Eddy Tracking

    Z. K. Erickson / E. Fields / M. M. Omand et al. | NTIS | 2022

    Heliopause Electrostatic Rapid Transit System (HERTS)

    B. M. Wiegmann / L. Johnson / M. Bangham | NTIS | 2017

    High Inclination Solar Mission Enabled by Near-Term Solar Sail Propulsion

    L. Johnson / K. Kobayashi / H. D. Thomas et al. | NTIS | 2020