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  • EARTH RESOURCES AND REMOTE SENSING  (193)
  • LUNAR AND PLANETARY EXPLORATION  (150)
  • AERODYNAMICS  (97)
  • GENERAL
  • 1975-1979  (447)
  • 1960-1964
  • 1955-1959
  • 1975  (447)
Collection
Keywords
Years
  • 1975-1979  (447)
  • 1960-1964
  • 1955-1959
Year
  • 1
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    The imaging photopolarimeter experiment on Pioneer 11 (1975)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: For 2 weeks continuous imaging, photometry, and polarimetry observations were made of Jupiter and the Galilean satellites in red and blue light from Pioneer 11. Measurements of Jupiter's north and south polar regions were possible because the spacecraft trajectory was highly inclined to the planet's equatorial plane. One of the highest resolution images obtained is presented here along with a comparison of a sample of our photometric and polarimetric data with a simple model. The data seem consistent with increased molecular scattering at high latitudes.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Science; 188; May 2
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Mars sample return through parking orbit (1975)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A Mars surface sample return mission using Mars direct entry and Mars parking orbit return is described. The mission is designed for a minimum energy requirement and is relatively simple in comparison to the alternative Mars orbital rendezvous mode. The design calls for minimal science, and uses a single Titan IIIE/Centaur launch vehicle. The primary science areas included are biology, biochemistry, geochemistry, and petrology, for detecting life, age dating, and determining chemical compositions and rock types. The total minimum sample requirement would be 30 g. Sampling conditions and recommended measurements are discussed. Maximum use of hardware and experience from the Mariner, Pioneer, and Viking missions is contemplated. The profile for a 1979 conjunction-class mission would include a total time of 1025 days, including one year in Mars parking orbit after sampling. The lander structure, components, and recovery alternatives are explained.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Astronautics and Aeronautics; 13; Jan. 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Evaluation of Skylab data for land use mapping (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Skylab multispectral scanner data, digitized Skylab color IR photography, digitized Skylab black and white multiband photography, and Earth Resources Technology Satellite (ERTS) multispectral scanner data collected within a twenty-four hour time period over an area in south-central Indiana near Bloomington on June 9 and 10, 1973, were compared in a machine-aided land use analysis of the area. The overall classification performance results, obtained with nine land use classes were 87% correct classification using the 'best' 4 channels of the Skylab multispectral scanner, 80% for the channels on the Skylab multispectra scanner, which are spectrally comparable to the ERTS multispectral scanner, 88% for the ERTS multispectral scanner, 83% for the digitized color IR photography, and 76% for the digitized black and white multiband photography. The results indicate that the Skylab multispectral scanner may yield even higher classification accuracies when a noise filtered multispectral scanner data set becomes available in the near future.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Journal of the Astronautical Sciences; 23; Apr
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    A multilevel multispectral data set analysis in the visible and infrared wavelength regions (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Skylab multispectral scanner data, digitized Skylab color infrared (IR) photography, digitized Skylab black and white multiband photography, and Earth Resources Technology Satellite (ERTS) multispectral scanner data collected within a 24-hr time period over an area in south-central Indiana near Bloomington on June 9 and 10, 1973, were compared in a machine-aided land use analysis of the area. The overall classification performance results, obtained with nine land use classes, were 87% correct classification using the 'best' 4 channels of the Skylab multispectral scanner, 80% for the channels on the Skylab multispectral scanner which are spectrally comparable to the ERTS multispectral scanner, 88% for the ERTS multispectral scanner, 83% for the digitized color IR photography, and 76% for the digitized black and white multiband photography. The results indicate that the Skylab multispectral scanner may yield even higher classification accuracies when a noise-filtered multispectral scanner data set becomes available in the near future.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: IEEE; vol. 63
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    The Application of LANDSAT Data from Collection Platforms and LANDSAT Imagery for Fire Management, Everglades National Park, Florida (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E76-10159 , NASA-CR-146363
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Land use/vegetation mapping in reservoir management. Merrimack River basin (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: This report consists of an analysis of: ERTS-1 Multispectral Scanner imagery obtained 10 August 1973; Skylab 3 S190A and S190B photography, track 29, taken 21 September 1973; and RB-57 high-altitude aircraft photography acquired 26 September 1973. These data products were acquired on three cloud-free days within a 47-day period. The objectives of this study were: (1) to make quantitative comparisons between high-altitude aircraft photography and satellite imagery, and (2) to demonstrate the extent to which high resolution (S190A and B) space-acquired data can be used for land use/vegetation mapping and management of drainage basins.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-145822 , AD-A013490 , CRREL-SR-233
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Volatiles on the surface of Apollo 15 green glass and trace-element distributions among Apollo 15 soils (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Zn, Ge, Cd, In, and Au have been detected in surficial deposits on Apollo 15 green-glass spherules, and it is suggested that these deposits are condensates from the magmatic gas phase which was responsible for the pneumatic expulsion of the green glass from the lunar interior. Thermodynamic data indicate that chlorides and fluorides were the dominant forms of the volatile metals. The Ar-40x content of a nongreen-glass soil fraction is greater than that found in green-glass. Mare and low-K Fra Mauro basalts seem to be the most prominent components of Apollo 15 soil. The correlation of Zn with Ar-40x and with Pb-204 is studied, and the distribution of quartz-normative and olivine-normative basalts is considered.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Lunar Science Conference; Mar 17, 1975 - Mar 21, 1975; Houston, TX
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    NASA TECHNICAL REPORTS
  • 8
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    Machine aided multispectral analysis utilizing Skylab thermal data for land use mapping (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Skylab eight channel multispectral scanner data obtained in January 1974, was used for land-use analysis of Allen County, Indiana. The data-set which includes one visible channel, four near infrared channels, two middle infrared channels, and one far infrared channel was from the X-5 detector array of the S-192 experiment in the Earth Resources Experiment Package on board Skylab. The results indicate that a good-quality far infrared (thermal) channel is very valuable for land use mapping during the winter months.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Symposium on Machine Processing of Remotely Sensed Data; Jun 03, 1975 - Jun 05, 1975; West Lafayette, IN
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    NASA TECHNICAL REPORTS
  • 9
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    Aerodynamic drag reduction tests on a full-scale tractor-trailer combination and a representative box-shaped ground vehicle (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Keywords: AERODYNAMICS
    Type: SAE PAPER 750703 , West Coast Meeting; Aug 11, 1975 - Aug 14, 1975; Seattle, WA
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    NASA TECHNICAL REPORTS
  • 10
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    The maturation of lunar dust grains (1975)
    In:  CASI
    Details
    Publication Date: 2005-02-24
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Res. in the Space Sci., Vol. 2, No. 1; 3 p
    Format: text
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