Academic literature on the topic 'Exobiologie'
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Journal articles on the topic "Exobiologie"
Raulin Cerceau, Florence, and Stéphane Tirard. "Présentation. Exobiologie, aspects historiques et épistémologiques." Cahiers François Viète, no. I-4 (June 1, 2003): 3–4. http://dx.doi.org/10.4000/cahierscfv.2060.
Full textRettberg, P., U. Eschweiler, K. Strauch, G. Reitz, G. Horneck, H. Wänke, A. Brack, and B. Barbier. "Survival of microorganisms in space protected by meteorite material: Results of the experiment ‘EXOBIOLOGIE’ of the PERSEUS mission." Advances in Space Research 30, no. 6 (January 2002): 1539–45. http://dx.doi.org/10.1016/s0273-1177(02)00369-1.
Full textSullivan, Richard. "Exobiology." Perspectives in Biology and Medicine 43, no. 2 (2000): 277–85. http://dx.doi.org/10.1353/pbm.2000.0011.
Full textKlein, H. P. "Exobiology revisited." Advances in Space Research 6, no. 12 (January 1986): 187–92. http://dx.doi.org/10.1016/0273-1177(86)90085-2.
Full textTarter, Jill C. "Observational exobiology." Origins of Life and Evolution of the Biosphere 16, no. 3-4 (September 1986): 399. http://dx.doi.org/10.1007/bf02422095.
Full textBecquemont, Daniel. "Edmond Perrier exobiologiste." Bulletin d’histoire et d’épistémologie des sciences de la vie Volume 17, no. 1 (2010): 91. http://dx.doi.org/10.3917/bhesv.171.0091.
Full textJakosky, Bruce M. "Martian exobiology: Introduction." Journal of Geophysical Research: Planets 102, E10 (October 1, 1997): 23673–74. http://dx.doi.org/10.1029/97je01997.
Full textRaulin, F., P. Bruston, P. Coll, D. Coscia, M.-C. Gazeau, L. Guez, and E. de Vanssay. "Exobiology on Titan." Journal of Biological Physics 20, no. 1-4 (March 1995): 39–53. http://dx.doi.org/10.1007/bf00700419.
Full textSoares, Domingos Savio de Lima. "POR QUE A LUA NÃO CAI NA TERRA?" Revista Valore 4 (June 3, 2020): 145–54. http://dx.doi.org/10.22408/reva402019535145-154.
Full textKobayashi, Kensei, and Masahiko Tsuchiya. "Analytical Chemistry in Exobiology." Biological Sciences in Space 2, no. 3 (1988): 181–92. http://dx.doi.org/10.2187/bss.2.181.
Full textDissertations / Theses on the topic "Exobiologie"
Dorizon, Sophie. "Étude préparatoire à l'interprétation des données du radar WISDOM pour la mission ExoMars 2018." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLV012/document.
Full textMars has become one of the most visited planet in the past few decades. The data collected by instruments allowed to infer theplanet evolution, and it is now admitted that inthe past, Mars had a relatively warm and wetenvironment, auspicious for the emergence oflife as we know it. This is why one of the currentobjective of the missions to Mars is to study theplanet from an exobiological point of view: iflife arose on Mars, potential traces could befound into the subsurface, sheltered from thehostile surface. The ExoMars 2018 space mission will land onMars’ surface a rover, which will be equippedwith a complete instrumental payload for thesearch of life traces, as well as a drill capable ofcollecting samples at a depth of 2 meters. Thegeological context characterization willtherefore be essential to identify the mostinteresting places for potential life tracespreservation. The Ground Penetrating Radar (GPR)WISDOM (Water Ice Subsurface DepositObservation on Mars) and the neutron detectorADRON will be the only instruments capable ofobtaining information about the shallowsubsurface before the drilling operations. Thedata collected by WISDOM will provide thegeological deposits identification, which willhelp reconstructing the local history of thelanding site. This instrument developed in theFrench laboratory LATMOS (LaboratoireATmosphères, Milieux, Observations Spatiales)in collaboration with the LAB is a stepfrequencyradar that operates on a wide frequency band, from 0.5 GHz to 3 GHz: it wasdesigned to investigate the first 3 meters of thesubsurface with a vertical resolution of a fewcentimeters, and is currently tested in variousenvironments. This PhD thesis objective is to develop theinterpretation tools for WISDOM data by takingadvantage of the specific capacities of theinstrument to characterize the nature andstructure of the shallow subsurface, and to guidethe drill to suitable locations where potentialtraces of life could be preserved. This workconsequently requires both practical andtheoretical approaches, with the development ofprocessing chains, analytical and numericalmodels to simulate the instrument, but also todefine tests in well-known environments as wellas field tests in various natural places. The ideais to create a WISDOM database in a variety ofgeological contexts to allow the comparisonwith Martian data. A full interpretation of the WISDOM data alsorequires the estimation of the geological units’dielectric characteristics. We thereforedeveloped two “quantitative” methods thatallow the retrieval of the dielectric constantvalue at the surface and at various depths. Ageometrical approach to reconstruct the shallowsubsurface was also initiated to help tounderstand the deposits processes. A methodtaking advantage of the GPR specific antennasystem was developed to estimate the scatterers’relative position compared to the radar trajectoryalong profiles, allowing the subsurfacereconstruction in 3 dimensions for an optimalguidance of the ExoMars rover drill
Ghesquière, Pierre. "Rôle des glaces interstellaires dans la complexité moléculaire de l’espace : modélisation par les méthodes de la chimie théorique." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS044/document.
Full textIt is postulated nowadays that complex organic molecules in space form on the surface and in the volume of interstellar ices. These ices can catalyse chemical reactions what could explain the formation of prebiotic molecules. However, because of the low temperatures, the diffusion of the reactants one towards another is slow, limiting their reactivity. The objectif of this thesis is to treat the reactivity and the diffusion of simple molecules in interstellar ices. I present in this thesis the results of the study of the chemical reaction between carbon dioxide and ammonia in interstellar ices. This study was conducted in the Laboratoire Univers et Particules de Montpellier : it combines various theoretical chemistry methods and confront the results to experimental ones I participated in at the Laboratoire de Physique des Interactions Ioniques etMoléculaires of the Aix-Marseille university. In a first part, classical molecular dynamic simulations are used to simulate a low-density amorphous ice model and to calculate the diffusion coefficients at various temperatures of a series of small molecules (NH3, CO, CO2, H2CO). These results are compared to the experimental diffusion coeficients of the carbon dioxide validating the theoretical approach used and allowing to porpose a mechanism for the diffusion process. In a second part, the reaction between carbon dioxide and ammonia is studied in the frame of Density-Functional Theory using a « super-molecular » approach. In this approach, the reaction energy profile for the molecular complexes xNH3:CO2:yH2O, is studied. Two reaction products are localised : the ammonium carbamate and the carbamic acid. The reaction energy barrier obtained by these calculations is similar to the one obtained experimentally, and the ammonium carbamate is confirmed as the major reaction product. The obtained energy profile is therfore investigated by constrained ab initio molecular dynamics and the free energy profile is computed with the Thermodynamics Integration method. These calculations confirme the general form of the previous energy profile and enlight the strong entropic effect of the water network. Finally, conclusions are drawn, and perspectives on methodological as well as on astrochemical aspects, as the inclusion of the reaction and diffusion energy barriers I calculated in astrochemical models, are given
Le, Postollec Aurélie Dobrijevic Michel. "Etude de la résistance aux conditions spatiales d'une biopuce dédiée à la détection de molécules organiques sur les corps du système solaire." S. l. : Bordeaux 1, 2008. http://ori-oai.u-bordeaux1.fr/pdf/2008/LE_POSTOLLEC_AURELIE_2008.pdf.
Full textBoillot, François. "Mission Perseus-Exobiologie : comportement d'acides aminés et de peptides soumis aux conditions de l'espace." Orléans, 2001. http://www.theses.fr/2001ORLE2009.
Full textBelu, Adrian. "Détection et caractérisation spectrale exoplanétaire par interférométrie annulante : de la scène astrophysique à l'estimation temps-réel." Nice, 2008. http://www.theses.fr/2008NICE4065.
Full textNulling interferometry aims at detecting biosignatures in the spectrum of exoplanets. It will yield a signal dispersed over ~30 bins, between 5 to à 20 μm, and temporally modulated for weeks. The inverse problem of extracting the parameters of putative exoplanets from this signal is critical for the dimensioning of space missions like DARWIN of TPF-I. This thesis places nulling interferometry in the general frame of the various approaches underway in astronomical interferometry. The juxtaposition of different noise sources in the field-of-view of the interferometer requires preliminary calibrations. I first evaluate a spectroscopic method for ground nulling data, which estimates prerequisite for signal processing. I conduct an astrophysical study of the likely exoplanetary system scenes, from present data & models (refereed in Astron. & Astrophy, 2007). I then developed a real-time approach of a Bayesian, CLEAN-like signal processing technique called FITTEST (Thiébaut & Mugnier 2006). This enabled to relax constraints on the modelling of the instrument, and to investigate the link between astrometric and photometric signal-to-noise ratios. This work was partially conducted within the frame of an industry-academia consortium, answering a related ESA ITT and conducting the subsequent contract (in progress)
Le, Postollec Aurélie. "Etude de la résistance aux conditions spatiales d'une biopuce dédiée à la détection de molécules organiques sur les corps du système solaire." Thesis, Bordeaux 1, 2008. http://www.theses.fr/2008BOR13674/document.
Full textRouquette, Laura. "Evolution de molécules organiques en conditions martiennes simulées : expériences en laboratoire et en orbite basse terrestre sur la Station Spatiale Internationale." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1096/document.
Full textOrganic molecule detection at Mars is one of the main goals of the current and future Mars exploration space missions, Mars Science Laboratory (MSL, NASA) and ExoMars 2020 (ESA). Several organic sources exist : abiotic sources (interplantary medium, hydrothermalism and atmospheric synthesis) but also biotic sources such as potential past biological activity. Curiosity from the MSL mission detected chlorinated and sulfur organic compounds. However these compounds can not be linked to any biological activity and do not represent the meteoritical organic diversity.The main hypothesis to explain the low diversity of detected organic compounds at Mars is that the martian environment degrade organic matter. In order to understand organic molecule evolution at the Martian surface and be able to guide and help interpret in situ analysis, I worked on two experimental simulations mimicking some of the martian environmental conditions (UV radiation, pressure, temperature and mineral composition). MOMIE, for Mars Organic Matter Irradiation at Mars, is a laboratory experiment set up at the LISA laboratory (Créteil, France). PSS, for Photochemistry on the Space Station, has been set up on the International Space Station (ISS) in low Earth orbit, using directly filtered UV photons from the Sun.I studied the evolution of four organic molecules likely to be present at Mars with ou without a mineral phase : glycine (an amino acid), adenine and uracil (two nucleobases), and chrysene (a polycyclic aromatic hydrocarbon). Glycine, adenine and chrysene are degraded at Mars surface with quantum efficiencies of photodecomposition from 6,4 ± 1,4 x 10-6 to 2,3 ± 1,0 x 10-3 molecule.photon-1. Uracil evolve into more stable photoproducts with a production efficiency of 1,64 ± 1,43 x 10-1 molécule.photon-1. Four uracil dimers have been identified as uracil photoproducts. Finally, the studied mineral phases, an amorphous iron-rich phase and perchlorates, accelerate organics evolution or degradation
Delpoux, Olivier. "Utilisation du spin électronique pour sonder la matière organique primitive contemporaine de l'apparition des planètes et de la vie : apport de la RPE impulsionnelle." Phd thesis, Paris 6, 2009. http://pastel.archives-ouvertes.fr/pastel-00005542.
Full textFrère, Christian. "Étude physico-chimique de l'atmosphère de l'aérosol et de l'océan de Titan." Paris 12, 1989. http://www.theses.fr/1989PA120049.
Full textSaiagh, Kafila. "Photochimie de la matière organique dans le système solaire : application aux grains cométaires." Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1159.
Full textThe study of photochemistry in the solar system is of prime importance to assess complex organic chemistry in an extraterrestrial environment. Among those environments, comets are subject to a particular interest in the context of exobiology, along with their grains, as they could have bring organic matter on the primitive earth, and hence contribute to the emergence of life. But to what extent does the organic matter potentially with in grains survive face to solar radiation? My thesis deals with the study of photochemical degradation of three nitrogenous bases (adenine, guanine and uracil) and one amino acid ( glycine) in the conditions of the solar system, which means subject to VUV/UV energetically radiations ( <300 nm). Studies performed during this work can also be applied to the interpretation of COSIMA mass spectrometer, present on the cometary mission ROSETTA, which aims to analyze the surface of cometary grains captured in the environment of the 67P/Churyomov-Gerasimenko comet. This work present absorption cross section spectrum measured in the VUV/UV range, for pure organic films. These spectrum led to the deduction of photolysis rate constants, and to the elaboration of a model simulating the global kinetic of destruction of a optically thick organic film. The comparison between this model and experimental data of low earth orbit irradiation as well as laboratory data allowed to estimates lifetimes for the considered molecules at 1 AU, and then extrapolated at different heliocentrically distances. Results show that glycine, adenine and guanine, potentially existing inside the cometary grains, would be entirely destroyed between the ejection of the grains and the arrival on earth if they exist at the surface. Below the surface, they are at the contrary very stable, thanks the effective protection of the mineral constitutive of the grain against solar radiations. In the frame of ROSETTA mission, results differ. At the farther of the sun, at 3.5 AU, the abundance of the molecule would not significantly decrease during the time of travel of grains between the core and the orbiter. At the perihelia, the survival of molecule strongly depends of the core-orbiter distance. Significant loss of the 3 molecules by photochemistry would only occurred if the orbiter is at more than hundred of kilometers from the core
Books on the topic "Exobiologie"
From dying stars to the birth of life: The new science of astrobiology and the search for life in the universe. Nottingham: Nottingham University Press, 2011.
Find full text1963-, Gross Michael, ed. Astrobiology: A brief introduction. Baltimore: The Johns Hopkins University Press, 2006.
Find full textMuriel, Gargaud, Despois Didier, and Parisot Jean-Paul, eds. L' environnement de la terre primitive. Pessac: Presses universitaires de Bordeaux, 2001.
Find full textIain, Gilmour, Sephton Mark A, and Conway Andrew 1972-, eds. An introduction to astrobiology. [Milton Keynes, UK]: Open University, 2004.
Find full textLife everywhere: The maverick science of astrobiology. New York: Basic Books, 2001.
Find full textDonald, Brownlee, and Cabart Michel 1952-, eds. Vie et mort de la planète Terre. Marseille: Éd. la Huppe, 2007.
Find full textAlien lifesearch: Quest for extraterrestrial organisms. New York, NY: Crabtree Pub., 1999.
Find full textMars, a cosmic stepping stone: Uncovering humanity's cosmic context. New York, NY: Copernicus Books in association with Praxis Pub., 2008.
Find full textBook chapters on the topic "Exobiologie"
Viso, Michel. "Exobiologie Experiment." In Encyclopedia of Astrobiology, 530–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1754.
Full textViso, Michel. "Exobiologie Experiment." In Encyclopedia of Astrobiology, 789–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1754.
Full textViso, Michel. "Exobiologie Experiment." In Encyclopedia of Astrobiology, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-642-27833-4_1754-3.
Full textViso, Michel. "Exobiologie Experiment." In Encyclopedia of Astrobiology, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_1754-2.
Full textViso, Michel. "Exobiologie Experiment." In Encyclopedia of Astrobiology, 971–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_1754.
Full textHorneck, Gerda. "Exobiology." In Biological and Medical Research in Space, 368–431. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61099-8_7.
Full textSimakov, Michael. "Exobiology of Titan." In Cellular Origin and Life in Extreme Habitats and Astrobiology, 293–96. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-1003-0_61.
Full textRaulin, F., P. Bruston, P. Coll, D. Coscia, M.-C. Gazeau, L. Guez, and E. de Vanssay. "Exobiology on Titan." In Chemical Evolution: Structure and Model of the First Cell, 39–53. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0105-9_4.
Full textRummel, John D. "Chapter 6: Exobiology." In Space Biology and Medicine – Volume I, Space and Its Exploration, 195–228. Reston ,VA: American Institute of Aeronautics and Astronautics, Inc., 1993. http://dx.doi.org/10.2514/5.9781624104855.0195.0228.
Full textChaisson, Eric J. "Exobiology and Complexity." In Encyclopedia of Complexity and Systems Science, 3267–84. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-30440-3_194.
Full textConference papers on the topic "Exobiologie"
Hoover, Richard B. "Meteorites, microfossils, and exobiology." In Optical Science, Engineering and Instrumentation '97, edited by Richard B. Hoover. SPIE, 1997. http://dx.doi.org/10.1117/12.278766.
Full textCarle, Glenn C., Dan R. Kojiro, Todd B. Sauke, Jose R. Valentin, Thomas C. Shen, and John R. Marshall. "Advanced instrumentation for exobiology." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by James A. Cutts. SPIE, 1994. http://dx.doi.org/10.1117/12.187464.
Full textCarpenter, Kalind, Andrew Thoesen, Darwin Mick, Justin Martia, Morgan Cable, Karl Mitchell, Sarah Hovsepian, et al. "Exobiology Extant Life Surveyor (EELS)." In 17th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments. Reston, VA: American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483374.033.
Full textHofmann, Peter, Ralf von Heise-Rotenburg, Philipp Reissaus, Wolfgang Schulte, and Hans Thiele. "Exobiology payloads for European Mars missions." In 57th International Astronautical Congress. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.iac-06-a3.3.08.
Full textTarter, Jill C., and John Rummel. "Exobiology and SETI from the lunar farside." In Astrophysics from the Moon. AIP, 1990. http://dx.doi.org/10.1063/1.39361.
Full textGoldanskii, Vitalii I. "Cold prebiotic evolution, tunneling, chirality and exobiology." In Physical orgin of homochirality in life. AIP, 1996. http://dx.doi.org/10.1063/1.51242.
Full textClancy, Paul F. "ESA exobiology activities: present status and future perspectives." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Richard B. Hoover. SPIE, 1998. http://dx.doi.org/10.1117/12.319823.
Full textDick, Dr Steven. "Origins and Development of NASA's Exobiology Program, 1958-1976." In 57th International Astronautical Congress. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.iac-06-e4.2.03.
Full textChesta, E., J. Gonzalez del Amo, and G. Saccoccia. "A Full Solar Electric Propulsion Concept for Mars Exobiology." In 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-4319.
Full text"Exobiology Research Platforms in Low Earth Orbit and on Mars." In 55th International Astronautical Congress of the International Astronautical Federation, the International Academy of Astronautics, and the International Institute of Space Law. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.iac-04-q.3.b.06.
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