Search Results - "Wdowiak, T."
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Mössbauer mineralogy of rock, soil, and dust at Gusev crater, Mars: Spirit's journey through weakly altered olivine basalt on the plains and pervasively altered basalt in the Columbia Hills
Published in Journal of Geophysical Research - Planets (01-02-2006)“…The Mössbauer spectrometer on Spirit measured the oxidation state of Fe, identified Fe‐bearing phases, and measured relative abundances of Fe among those…”
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Jarosite and Hematite at Meridiani Planum from Opportunity's Mössbauer Spectrometer
Published in Science (American Association for the Advancement of Science) (03-12-2004)“…Mössbauer spectra measured by the Opportunity rover revealed four mineralogical components in Meridiani Planum at Eagle crater: jarosite- and hematite-rich…”
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3
Mössbauer mineralogy of rock, soil, and dust at Meridiani Planum, Mars: Opportunity's journey across sulfate-rich outcrop, basaltic sand and dust, and hematite lag deposits
Published in Journal of Geophysical Research - Planets (01-12-2006)“…The Mössbauer (MB) spectrometer on Opportunity measured the Fe oxidation state, identified Fe‐bearing phases, and measured relative abundances of Fe among…”
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4
The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars
Published in Science (American Association for the Advancement of Science) (06-08-2004)“…The Mars Exploration Rover Spirit and its Athena science payload have been used to investigate a landing site in Gusev crater. Gusev is hypothesized to be the…”
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5
Mineralogy at Gusev Crater from the Mössbauer Spectrometer on the Spirit Rover
Published in Science (American Association for the Advancement of Science) (06-08-2004)“…Mössbauer spectra measured on Mars by the Spirit rover during the primary mission are characterized by two ferrous iron doublets (olivine and probably…”
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Nickel on Mars: Constraints on meteoritic material at the surface
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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Overview of the magnetic properties experiments on the Mars Exploration Rovers
Published in Journal of Geophysical Research - Planets (01-06-2009)“…The Mars Exploration Rovers have accumulated airborne dust on different types of permanent magnets. Images of these magnets document the dynamics of dust…”
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Evidence from Opportunity's Microscopic Imager for Water on Meridiani Planum
Published in Science (American Association for the Advancement of Science) (03-12-2004)“…The Microscopic Imager on the Opportunity rover analyzed textures of soils and rocks at Meridiani Planum at a scale of 31 micrometers per pixel. The uppermost…”
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Laser-Raman imagery of Earth's earliest fossils
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
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)
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
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15-03-2001)“…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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13
In situ Laser-Raman Imagery of Precambrian Microscopic Fossils
Published in Proceedings of the National Academy of Sciences - PNAS (30-01-2001)“…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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14
Moessbauer mineralogy of rock, soil, and dust at Meridiani Planum, Mars: Opportunity's journey across sulfate-rich outcrop, basaltic sand and dust, and hematite lag deposits
Published in Journal of Geophysical Research. E. Planets (20-12-2006)“…The Moessbauer (MB) spectrometer on Opportunity measured the Fe oxidation state, identified Fe-bearing phases, and measured relative abundances of Fe among…”
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Journal Article -
15
Moessbauer mineralogy of rock, soil, and dust at Gusev crater, Mars: Spirit's journey through weakly altered olivine basalt on the plains and pervasively altered basalt in the Columbia Hills
Published in Journal of Geophysical Research. E. Planets (01-02-2006)“…The Moessbauer spectrometer on Spirit measured the oxidation state of Fe, identified Fe-bearing phases, and measured relative abundances of Fe among those…”
Get full text
Journal Article -
16
Laboratory Investigation of the Contribution of Complex Aromatic/Aliphatic Polycyclic Hybrid Molecular Structures to Interstellar Ultraviolet Extinction and Infrared Emission
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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17
Jarosite and Hematite at Meridiani Planum from Opportunity's Moessbauer Spectrometer
Published in Science (American Association for the Advancement of Science) (03-12-2004)“…Moessbauer spectra measured by the Opportunity rover revealed four mineralogical components in Meridiani Planum at Eagle crater: jarosite- and hematite-rich…”
Get full text
Journal Article -
18
Jarosite and Hematite at Meridiani Planum from Opportunity's Mössbauer Spectrometer
Published in Science (American Association for the Advancement of Science) (03-12-2004)“…Mössbauer spectra measured by the Opportunity rover revealed four mineralogical components in Meridiani Planum at Eagle crater: jarosite- and hematite-rich…”
Get full text
Journal Article -
19
Mineralogy at Gusev Crater from the Mössbauer Spectrometer on the Spirit Rover
Published in Science (American Association for the Advancement of Science) (06-08-2004)“…Mössbauer spectra measured on Mars by the Spirit rover during the primary mission are characterized by two ferrous iron doublets (olivine and probably…”
Get full text
Journal Article -
20
Inference of a 7.75 eV Lower Limit in the Ultraviolet Pumping of Interstellar Polycyclic Aromatic Hydrocarbon Cations with Resulting Unidentified Infrared Emissions
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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