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nature

    X-33 Hypersonic Boundary Layer Transition

    Berry, Scott A. / Horvath, Thomas J. / Hollis, Brian R. et al. | NTRS | 1999
    discrete trips; however, the distributed nature of the bowed panels affected a larger percent of the aft-body windward surface than a single ...

    Weathering processes implied from analysis of small Martian avalanche chutes

    Sullivan, R. | NTRS | 1992
    down through depths of tens of meters. These results have implications and possible constraints for the nature and rate of martian weathering ...

    Wanted: Lunar detectives to unravel the mysteries of the Moon! Crime to be solved: Mass extinctions on the Moon by meteorite impact!

    Neal, Clive R. / Taylor, Lawrence A. | NTRS | 1991
    of the Moon and the early Earth. The Warren and Wasson seven criteria for establishing the pristine nature of highland rocks are presented ...

    Vortex interactions in multiple vortex wakes behind aircraft

    Ciffone, D. L. | NTRS | 1976
    A flow visualization technique has been developed which allows the nature of lift-generated wakes behind aircraft models to be investigated ...

    Vision-based optimal obstacle-avoidance guidance for rotorcraft

    Menon, P. K. A. / Chatterji, G. B. / Sridhar, B. | NTRS | 1991
    rotorcraft flight. It explicitly accounts for the discrete nature of range information available from vision-based sensors and uses a linear ...

    Viking - The exploration of Mars

    Young, R. S. | NTRS | 1978
    The Viking 1 and 2 spacecraft were launched in August and September, 1975 on a ten month journey to begin an in depth study of the nature ...

    Using the SPICE system to help plan and interpret space science observations

    Acton, Charles H., Jr. | NTRS | 1993
    other ancillary information needed by space scientists to interpret observations of bodies within our solar system. The modular nature of this ...

    Using Space Weather Variability in Evaluation the Radiation Environment Specifications for NASA's Constellation Program

    Coffey, Victoria N. / Minow, Joseph I. / Bruce, Margaret et al. | NTRS | 2008
    servicing low Earth orbit and the Moon and beyond-have been developed that are necessarily conservative in nature to assure robust hardware design ...

    Unraveling the Diversity of Early Aqueous Environments and Climate on Mars Through the Phyllosilicate Record

    Bishop, J. L. / Baker, L. L. / Fairén, A. G. et al. | NTRS | 2017
    ancient rocks on Mars. Most bountiful among these is Fe/Mg-smectite. In this study we evaluate the nature and stratigraphy of clay outcrops ...

    United Kingdom Infrared Telescope's Spectrograph Observations of Human-Made Space Objects

    Buckalew, Brent / Abercromby, Kira / Lederer, Susan et al. | NTRS | 2017
    indications as to the nature of the surface materials on the objects. Further telescopic data collection and model updates to include more materials ...

      United Kingdom Infrared Telescope's Spectrograph Observations of Human-Made Space Objects

      Buckalew, Brent / Abercromby, Kira / Lederer, Susan et al. | NTRS | 2017
      featureless, dark spectra. These results show that the laboratory data in its current state give well-correlated indications as to the nature of the ...

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