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    The sun and the sun-earth connection

    Krimigis, S. M. | NTRS | 1988
    beginning at the center of the sun and extending through the interplanetary medium to earth's magnetosphere, ionosphere, and upper atmosphere are ...
    Verlag: NASA National Aeronautics and Space Administration

    Cassini Operational Sun Sensor Risk Management During Proximal Orbit Saturn Ring Plane Crossings

    Bates, David M. | NTRS | 2016
    NASA's Cassini Spacecraft, launched on October 15th, 1997 which arrived at Saturn on June 30th, 2004, is the largest and most ambitious ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Spacecraft Design, Testing And Performance

    Beyond the atmosphere: Early years of space science

    Newell, H. E. | NTRS | 1980
    From the rocket measurements of the upper atmosphere and Sun that began in 1946, space science gradually emerged as a new field of ...
    Verlag: NASA National Aeronautics and Space Administration

    Risk Assessment of Cassini Sun Sensor Integrity Due to Hypervelocity Impact of Saturn Dust Particles

    Lee, Allan Y. | NTRS | 2016
    daring set of ballistic orbits that will hop the rings and dive between the upper atmosphere of Saturn and its innermost D-ring twenty-two times ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration , Space Transportation And Safety , Statistics And Probability

    Upper Atmosphere Research Satellite (UARS) attitude accuracy using coarse attitude sensors

    Krack, K. / Foch, D. / Lambertson, M. et al. | NTRS | 1993
    The Upper Atmosphere Research Satellite (UARS) uses fixed-head star trackers (FHST's) and inertial reference units (IRU's) to determine and ...
    Verlag: NASA National Aeronautics and Space Administration

    Upper Atmosphere Research Satellite (UARS) Attitude Accuracy Using Coarse Attitude Sensors

    K. Krack / D. Foch / M. Lambertson et al. | NTIS | 1993
    The Upper Atmosphere Research Satellite (UARS) uses fixed-head star trackers (FHST's) and inertial reference units (IRU's) to determine and ...
    Verlag: National Aeronautics and Space Administration, Greenbelt, MD. Goddard Space Flight Center
    Schlagwörter: Upper atmosphere research satellite (Uars)

    The Mars Reconnaissance Orbiter Mission: 2018 Status

    Zurek, Richard W. / Johnston, M. Daniel | NTRS | 2018
    year of flight (and its 12th year in its low-altitude, sun-synchronous orbit around Mars), the spacecraft continues in its normal flight mode ...
    Verlag: Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2018

    Attitude Design for the LADEE Mission

    Galal, Ken / Nickel, Craig / Sherman, Ryan | NTRS | 2015
    The Lunar Atmosphere and Dust Environment Explorer (LADEE) satellite successfully completed its 148-day science investigation in a low ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Spacecraft Instrumentation And Astrionics

    Human Exploration of the Moon and Mars: Space Radiation Data, Modeling and Instrumentation Needs

    Adams, James H. / Barghouty, A. F. / Bhattacharya, M. et al. | NTRS | 2005
    ) and the partial protection afforded by its atmosphere (approximately 20 grams per square centimeter). The talk will describe the current plans ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration

    High Altitude Environment for Wx Balloons - Space Weather: Upper Atmospheric Space and Earth Weather eXperiment (USEWX)

    S. Wiley | NTIS | 2014
    The goal of this presentation is to help the Teachers in Space candidates understand Space Weather and its implications for flight. ...
    Verlag: National Aeronautics and Space Administration, Edwards, CA. Hugh L. Dryden Flight Research Center.
    Schlagwörter: Upper atmosphere , Sun

    The Voyager 2 mission to Neptune

    Haynes, Norman R. | NTRS | 1989
    engineering and scientific challenges. Neptune is about 30 Astronomical Units (AU) from the sun and earth, resulting in extremely low lights levels ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Exploration

    Space Weather Impacts on Spacecraft Design and Operations in Auroral Charging Environments

    J. I. Minow / L. N. Parker | NTIS | 2012
    surface and oceans, monitoring weather and climate, communications, scientific studies of the upper atmosphere and ionosphere, and a variety of ...
    Verlag: National Aeronautics and Space Administration, Huntsville, AL. George C. Marshall Space Flight Center
    Schlagwörter: Upper atmosphere

    To Uranus and beyond

    Kerridge, S. J. | NTRS | 1983
    1781, and has been found to have a north pole that is pointed directly at the sun. Data is still needed on the Uranus atmosphere, its possible ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Exploration

    Pioneer Venus mission plan for atmospheric probes and an orbiter.

    Dyer, J. W. / Nunamaker, R. R. / Cowley, J. R., Jr. et al. | NTRS | 1973
    ' structure will enter the Venusian atmosphere and directly measure its characteristics. An orbiting configuration of the same basic Bus spacecraft ...
    Verlag: NASA National Aeronautics and Space Administration

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

    Les Johnson / Ken Kobayashi / Herbert D Thomas et al. | NTRS
    Our current understanding of the Sun, its atmosphere, and the heliosphere is severely limited by a lack of good observations of the ...
    Verlag: NASA National Aeronautics and Space Administration

    Measured Spacecraft Dynamic Effects on Atmospheric Science Instruments

    S. E. Woodard / D. A. Gell / R. R. Lay | NTIS | 2004
    On September 1991, NASA launched the Upper Atmosphere Research Satellite. In addition to its atmospheric science mission, spacecraft ...
    Verlag: National Aeronautics and Space Administration, Hampton, VA. Langley Research Center
    Schlagwörter: Upper Atmosphere Research Satellite

    Aerosciences Implications for Uranus Aerocapture

    Eli Shellabarger / J Scoggins / A Hinkle et al. | NTRS
    date, only one spacecraft (Voyager 2) has visited Uranus, and there have been no missions which have entered its atmosphere. While knowledge of ...
    Verlag: NASA National Aeronautics and Space Administration

    Validation of Rendered Natural and Artificial Lighting Environments in Real Time Lunar South Pole Simulations

    Edwin Z. Crues / Paul Bielski / Eddie Paddock et al. | NTRS
    several aspects of the lunar surface and its environment which must be accurately modeled before these simulations can be relied upon to influence ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration

    Pioneer to encounter Saturn on September 1

    NTRS | 1979
    The encounter of the Pioneer 11 Spacecraft with Saturn, designed to provide information on the evolution of the Sun and its planets, is ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Launch Vehicles And Space Vehicles

    A Survey and Recent Development of Lunar Gravity Assist

    Penzo, Paul A. | NTRS | 2000
    Earth's moon is the largest in the solar system relative to its parent body, the Earth, and can have significant effect on the path of a ...
    Verlag: NASA National Aeronautics and Space Administration

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