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  • 1
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    Observational upper limits to the electromagnetic energy radiated by normal galaxies (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Galactic EM energy radiation, discussing flux upper limits in Low model
    Keywords: SPACE SCIENCES
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    High altitude infrared spectroscopic evidence for bound water on Mars. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The reflectivity of the Martian surface has been measured between 2.0 and 4.0 microns. A broad absorption band is observed which has a minimum at 2.85 microns. The position and shape of the band is compared to features in numerous terrestrial minerals. Bound water in the Martian surface material is the most likely cause of the observed band. The strength of the observed band suggests a bound water content of approximately 1% by weight. The band is inconsistent with more than a few % limonite or hydrated polymeric carbon suboxide. A mean particle radius of about 100 microns is deduced. The quality of bound water derived has a range of geological, climatic, and exobiological implications.
    Keywords: SPACE SCIENCES
    Type: Icarus; 18; Mar. 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Far infrared astronomy (1973)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The research to develop a spectrometer to be used with a ground based telescope is described. Two liquid helium cooled infrared spectrometers were designed and built. The first, has a Cassegrain optical system and a variable focal length between 51.4 cm and 92.6 cm. It is capable of a resolution of 500. The second, has a focal length of 19.1 cm and has a resolution of 100. Both spectrometers have been operated at 10-30 microns. Sample spectra are included.
    Keywords: SPACE SCIENCES
    Type: NASA-CR-131512 , CRSR-511
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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