Academic literature on the topic 'Extraterrestrial material analyses'

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Journal articles on the topic "Extraterrestrial material analyses"

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Dartois, Emmanuel, Ivan Alata, Cécile Engrand, et al. "Interstellar and interplanetary solids in the laboratory." Proceedings of the International Astronomical Union 11, A29B (2015): 416–19. http://dx.doi.org/10.1017/s1743921316005688.

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AbstractThe composition of interstellar matter is driven by environmental parameters and results from extreme interstellar medium physico-chemical conditions. Astrochemists must rely on remote observations to monitor and analyze the interstellar solids composition. They bring additional information from the study of analogues produced in the laboratory, placed in simulated space environments. Planetologists and cosmochemists access and spectroscopically examine collected extraterrestrial material in the laboratory. Diffuse interstellar medium and molecular clouds observations set constraints o
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Sighinolfi, Gian Paolo, Maurizio Barbieri, Daniele Brunelli, and Romano Serra. "Mineralogical and Chemical Investigations of the Amguid Crater (Algeria): Is there Evidence on an Impact Origin?" Geosciences 10, no. 3 (2020): 107. http://dx.doi.org/10.3390/geosciences10030107.

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Mineralogical and chemical investigations were carried out on intra-craterial bedrocks (Lower Devonian sandstone) and regolithic residual soil deposits present around the Amguid structure, to discuss the hypothesis of its formation through a relatively recent (about 0.1 Ma) impact event. Observations with an optical microscope on intra-craterial rocks do not unequivocally confirm the presence of impact correlated microscopic planar deformation features (PDFs) in quartz crystals. Field observations, and optical and instrumental analysis (Raman spectroscopy) on rocks and soils (including differe
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Isnard, R., A. Bardyn, N. Fray, et al. "H/C elemental ratio of the refractory organic matter in cometary particles of 67P/Churyumov-Gerasimenko." Astronomy & Astrophysics 630 (September 20, 2019): A27. http://dx.doi.org/10.1051/0004-6361/201834797.

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Context. Because comets are part of the most primitive bodies of our solar system, establishing their chemical composition and comparing them to other astrophysical bodies gives new constraints on the formation and evolution of organic matter throughout the solar system. For two years, the time-of-flight secondary ion mass spectrometer COmetary Secondary Ion Mass Analyzer (COSIMA) on board the Rosetta orbiter performed in situ analyses of the dust particles ejected from comet 67P/Churyumov-Gerasimenko (67P). Aims. The aim is to determine the H/C elemental ratio of the refractory organic compon
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Surkov, Yu A. "Analysis of extraterrestrial materials." TrAC Trends in Analytical Chemistry 6, no. 4 (1987): XXII. http://dx.doi.org/10.1016/0165-9936(87)87043-7.

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Albee, Arden L. "The Analysis of Extraterrestrial Materials." Eos, Transactions American Geophysical Union 69, no. 25 (1988): 670. http://dx.doi.org/10.1029/88eo00227.

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Lovering, John F. "The Analysis of Extraterrestrial Materials." Geochimica et Cosmochimica Acta 50, no. 12 (1986): 2865. http://dx.doi.org/10.1016/0016-7037(86)90234-6.

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7

Esposito, Madison, Kevin Souhrada, Erin Garland, et al. "Characterization of Potential Micrometeorites by Synchrotron Analysis." Geosciences 10, no. 7 (2020): 275. http://dx.doi.org/10.3390/geosciences10070275.

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Micrometeorites (MMs) are small particles that account for most of the extraterrestrial material deposited on Earth. Synchrotron X-ray fluorescence and diffraction allowed for chemical and mineral characterization to distinguish MM from atmospheric particulate. The relative components of iron, nickel, and other elements were considered in the identification of ferrous MM while high amounts of titanium were considered an indication that the particles were of atmospheric origin. Out of 100 samples collected by high school students and teachers, eight were taken to a synchrotron for analysis. Of
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Naraoka, Hashiguchi, Sato, and Hamase. "New Applications of High-Resolution Analytical Methods to Study Trace Organic Compounds in Extraterrestrial Materials." Life 9, no. 3 (2019): 62. http://dx.doi.org/10.3390/life9030062.

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Organic compounds are present as complex mixtures in extraterrestrial materials including meteorites, which may have played important roles in the origin of life on the primitive Earth. However, the distribution and formation mechanisms of meteoritic organic compounds are not well understood, because conventional analytical methods have limited resolution and sensitivity to resolve their molecular complexity. In this study, advanced instrumental development and analyses are proposed in order to study the trace organic compounds of extraterrestrial materials: (1) a clean room environment to avo
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MacPherson, G. J., and M. H. Thiemens. "Cosmochemistry: Understanding the Solar System through analysis of extraterrestrial materials." Proceedings of the National Academy of Sciences 108, no. 48 (2011): 19130–34. http://dx.doi.org/10.1073/pnas.1111493108.

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Blake, D. F., T. W. Reilly, D. E. Brownlee, and T. E. Bunch. "Low voltage scanning electron microscopy of interplanetary dust particles." Proceedings, annual meeting, Electron Microscopy Society of America 45 (August 1987): 208–9. http://dx.doi.org/10.1017/s0424820100125944.

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Interplanetary Dust Particles (IDPs) are a relatively new class of extraterrestrial materials which are collected by high-flying aircraft in the stratosphere. The particles, ∼1.0-50 μm in size, enter the earth's atmosphere at ballistic velocities, but are sufficiently small to be decelerated without burning up. IDPs commonly have solar elemental abundances, and are thoughfto have undergone very little differentiation since the formation of the solar system. While these materials are called “particles,” they are in fact aggregates of a variety of mineral phases, glass, and carbonaceous material
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