Search Results - "Wdowiak, T."

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    Nickel on Mars: Constraints on meteoritic material at the surface by Yen, A. S., Mittlefehldt, D. W., McLennan, S. M., Gellert, R., Bell III, J. F., McSween Jr, H. Y., Ming, D. W., McCoy, T. J., Morris, R. V., Golombek, M., Economou, T., Madsen, M. B., Wdowiak, T., Clark, B. C., Jolliff, B. L., Schröder, C., Brückner, J., Zipfel, J., Squyres, S. W.

    Published in Journal of Geophysical Research - Planets (01-12-2006)
    “…Impact craters and the discovery of meteorites on Mars indicate clearly that there is meteoritic material at the Martian surface. The Alpha Particle X‐ray…”
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    Laser-Raman imagery of Earth's earliest fossils by Schopf, J. William, Kudryavtsev, Anatoliy B, Agresti, David G, Wdowiak, Thomas J, Czaja, Andrew D

    Published in Nature (London) (07-03-2002)
    “…Unlike the familiar Phanerozoic history of life, evolution during the earlier and much longer Precambrian segment of geological time centred on prokaryotic…”
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    A Mössbauer investigation of iron-rich terrestrial hydrothermal vent systems: Lessons for Mars exploration by Wade, M. L., Agresti, D. G., Wdowiak, T. J., Armendarez, L. P., Farmer, J. D.

    Published in Journal of Geophysical Research: Planets (25-04-1999)
    “…Hydrothermal spring systems may well have been present on early Mars and could have served as a habitat for primitive life. The integrated instrument suite of…”
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    Development of the Mars microbeam Raman spectrometer (MMRS) by Wang, Alian, Haskin, Larry A., Lane, Arthur L., Wdowiak, Thomas J., Squyres, Steven W., Wilson, Robert J., Hovland, Larry E., Manatt, Ken S., Raouf, Nasrat, Smith, Christopher D.

    Published in Journal of Geophysical Research - Planets (01-01-2003)
    “…Raman spectroscopy is a powerful tool for mineral characterization and for detection of water and organic and inorganic forms of carbon. The Mars microbeam…”
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    Hydrogenation of polycyclic aromatic hydrocarbons as a factor affecting the cosmic 6.2 micron emission band by Beegle, Luther W., Wdowiak, Thomas J., Harrison, Joseph G.

    “…While many of the characteristics of the cosmic unidentified infrared (UIR) emission bands observed for interstellar and circumstellar sources within the Milky…”
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    In situ Laser-Raman Imagery of Precambrian Microscopic Fossils by Kudryavtsev, Anatoliy B., Schopf, J. William, Agresti, David G., Wdowiak, Thomas J.

    “…Laser-Raman imagery is a sensitive, noninvasive, and nondestructive technique that can be used to correlate directly chemical composition with optically…”
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    Laboratory Investigation of the Contribution of Complex Aromatic/Aliphatic Polycyclic Hybrid Molecular Structures to Interstellar Ultraviolet Extinction and Infrared Emission by Arnoult, Kenneth M, Wdowiak, Thomas J, Beegle, Luther W

    Published in The Astrophysical journal (01-06-2000)
    “…We have demonstrated by experiment that, in an energetic environment, a simple polycyclic aromatic hydrocarbon (PAH) such as naphthalene will undergo chemical…”
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    Jarosite and Hematite at Meridiani Planum from Opportunity's Moessbauer Spectrometer by Klingelhoefer, G, Morris, R V, Bernhardt, B, Schroeder, C, Rodionov, D S, de Souza, P A, Yen, A, Gellert, R, Evlanov, E N, Zubkov, B, Foh, J, Bonnes, U, Kankeleit, E, Guetlich, P, Ming, D W, Renz, F, Wdowiak, T, Squyres, S W, Arvidson, R E

    “…Moessbauer spectra measured by the Opportunity rover revealed four mineralogical components in Meridiani Planum at Eagle crater: jarosite- and hematite-rich…”
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    Inference of a 7.75 eV Lower Limit in the Ultraviolet Pumping of Interstellar Polycyclic Aromatic Hydrocarbon Cations with Resulting Unidentified Infrared Emissions by Robinson, Michael S, Beegle, Luther W, Wdowiak, Thomas J

    Published in The Astrophysical journal (01-01-1997)
    “…The discrete infrared features known as the unidentified infrared (UIR) bands originating in starburst regions of other galaxies, and in H II regions and…”
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