1–44 von 44 Ergebnissen
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    Human Mars Mission Power Architectures

    Hoffman, Stephen J. | NTRS | 2017

    NASA's Human Missions to Mars: An Introduction

    Hoffman, Stephen J. | NTRS | 2016

    Human Mars Landing Site and Impacts on Mars Surface Operations

    Bussey, Ben / Hoffman, Stephen J. | NTRS | 2016

    Human Mars landing site and impacts on Mars surface operations

    Bussey, Ben / Hoffman, Stephen J. | IEEE | 2016

      Human Mars Landing Site and Impacts on Mars Surface Operations

      Bussey, Ben / Hoffman, Stephen J. | NTRS | 2016

      Human Mars Landing Site and Impacts on Mars Surface Operations

      Bussey, Ben / Hoffman, Stephen J. | NTRS | 2016

    Pioneering Objectives and Activities on the Surface of Mars

    Toups, Larry / Hoffman, Stephen J. | NTRS | 2015

    Evolvable Mars Campaign Development

    Hoffman, Stephen J. / Toups, Larry | NTRS | 2016

    Human Mars Landing Site and Impacts on Mars Surface Operations

    Hoffman, Stephen J. / Bussey, Ben | NTRS | 2016

    Mars surface systems common capabilities and challenges for human missions

    Toups, Larry / Hoffman, Stephen J. / Watts, Kevin | IEEE | 2016

      Mars Surface Systems Common Capabilities and Challenges for Human Missions

      Toups, Larry / Hoffman, Stephen J. / Watts, Kevin | NTRS | 2016

    Pioneering Objectives and Activities on the Surface of Mars

    Toups, Larry / Hoffman, Stephen J. | NTRS | 2015

    An Introduction to Human Mars Mission Equipment and Operations

    Hoffman, Stephen J. / Williams, Nehemiah J. | NTRS | 2018

    Evolvable Mars Campaign Development

    Hoffman, Stephen J. / Wald, Samuel I. | NTRS | 2016

    Mars Surface Systems Common Capabilities and Challenges for Human Missions

    Toups, Larry / Hoffman, Stephen J. / Watts, Kevin | NTRS | 2016

    Transportation-driven mars surface operations supporting an evolvable mars campaign

    Toups, Larry / Hoffman, Stephen J. / Brown, Kendall | IEEE | 2015

      Transportation-Driven Mars Surface Operations Supporting an Evolvable Mars Campaign

      Toups, Larry / Brown, Kendall / Hoffman, Stephen J. | NTRS | 2015

    Progress in Simulating Water Well Performance on Mars

    Hoffman, Stephen J. / Andrews, Alida / Watts, Kevin et al. | AIAA | 2020

    Simulated Water Well Performance on Mars

    Hoffman, Stephen J. / Andrews, Alida D. / Watts, Kevin D. | AIAA | 2018

      Simulated Water Well Performance on Mars

      Hoffman, Stephen J. / Andrews, Alida D. / Watts, Kevin D. | NTRS | 2018

    SIMULATED WATER WELL PERFORMANCE ON MARS (AIAA 2018-5293)

    Hoffman, Stephen J. / Andrews, Alida D. / Watts, Kevin D. | British Library Conference Proceedings | 2018

    Advantages of a Modular Mars Surface Habitat Approach

    Rucker, Michelle A. / Hoffman, Stephen J. / Andrews, Alida et al. | AIAA | 2018

      Advantages of a Modular Mars Surface Habitat Approach

      Rucker, Michelle A. / Watts, Kevin / Hoffman, Stephen J. et al. | NTRS | 2018

    A Water-Rich Mars Surface Mission Scenario

    Hoffman, Stephen J. / Andrews, Alida / Joosten, B. Kent et al. | NTRS | 2017

    A Study of Parallels between Antarctica South Pole Traverse Equipment and Lunar/Mars Surface Systems

    Mueller, Robert P. / Hoffman, Stephen J. / Thur, Paul | ASCE | 2010

      A Study of Parallels Between Antarctica South Pole Traverse Equipment and Lunar/Mars Surface Systems

      Mueller, Robert P. / Hoffman, Stephen, J. / Thur, Paul | NTRS | 2010

    A water rich mars surface mission scenario

    Hoffman, Stephen J. / Andrews, Alida / Joosten, B. Kent et al. | IEEE | 2017

    ADVANTAGES OF A MODULAR MARS SURFACE HABITAT APPROACH (AIAA 2018-5102)

    Rucker, Michelle A. / Hoffman, Stephen J. / Andrews, Alida et al. | British Library Conference Proceedings | 2018

    Transitioning from Space Shuttle to Space Station on-orbit servicing

    Hoffman, Stephen J. / Rysavy, Gordon | NTRS | 1987

    Exploration System Mission Directorate and Constellation Program Support for Analogue Missions

    Hoffman, Stephen J. / Voels, Stephen A. / Gerty, Christopher E. | NTRS | 2008

    Mars Rover/Sample Return mission trade studies

    Soldner, John K. / Hoffman, Stephen J. | NTRS | 1988

    Lunar science strategy: Exploring the Moon with humans and machines

    Morrison, Donald A. / Hoffman, Stephen J. | NTRS | 1993

    Mars as a Destination in a Capability-Driven Framework

    Hoffman, Stephen J. / Drake, Bret G. / Baker, John D. et al. | NTRS | 2012

    Traverse Planning Experiments for Future Planetary Surface Exploration

    Hoffman, Stephen J. / Voels, Stephen A. / Mueller, Robert P. et al. | NTRS | 2012

    Mars surface habitability options

    Howe, A. Scott / Simon, Matthew / Smitherman, David et al. | IEEE | 2015

      Mars Surface Habitability Options

      Howe, A. Scott / Simon, Matthew / Smitherman, David et al. | NTRS | 2015

    Alternative Strategies for Exploring Mars and the Moons of Mars

    Drake, Bret G. / Baker, John D. / Hoffman, Stephen J. et al. | NTRS | 2012

    Alternative Strategies for Exploring Mars and the Moons of Mars

    Drake, Bret G. / Baker, John D. / Hoffman, Stephen J. et al. | NTRS | 2012

    Continuing Development of the NASA Human Mars Mission Design

    Joosten, Kent / George, Jeff / Condon, Gerald (Jerry) et al. | ASCE | 1998

    Human Exploration of Asteroids, the Moon, and Mars Using Robotic Arm-Equipped Pressurized Vehicles

    Lee, Pascal / Dougherty, Sean / McCarthy, Tom et al. | ASCE | 2012