Academic literature on the topic 'Primordial atmosphere'

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Journal articles on the topic "Primordial atmosphere"

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Ragossnig, Florian, Alexander Stökl, Ernst Dorfi, Colin P. Johnstone, Daniel Steiner, and Manuel Güdel. "Interaction of infalling solid bodies with primordial atmospheres of disk-embedded planets." Astronomy & Astrophysics 618 (October 2018): A19. http://dx.doi.org/10.1051/0004-6361/201832681.

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Context. Planets that form early enough to be embedded in the circumstellar gas disk accumulate thick atmospheres of nebular gas. Models of these atmospheres need to specify the surface luminosity (i.e. energy loss rate) of the planet. This luminosity is usually associated with a continuous inflow of solid bodies, where the gravitational energy released from these bodies is the source of energy. However, if these bodies release energy in the atmosphere instead of at the surface, this assumption might not be justified. Aims. Our aim is to explore the interactions of infalling planetesimals with
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Chance, Quadry, Sarah Ballard, and Keivan Stassun. "Signatures of Impact-driven Atmospheric Loss in Large Ensembles of Exoplanets." Astrophysical Journal 937, no. 1 (2022): 39. http://dx.doi.org/10.3847/1538-4357/ac8a97.

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Abstract The results of large-scale exoplanet transit surveys indicate that the distribution of small planet radii is likely sculpted by atmospheric loss. Several possible physical mechanisms exist for this loss of primordial atmospheres, each of which produces a different set of observational signatures. In this study, we investigate the impact-driven mode of atmosphere loss via N-body simulations. We compare the results from giant impacts, at a demographic level, to results from another commonly invoked method of atmosphere loss, photoevaporation. Applying two different loss prescriptions to
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Kimura, Tadahiro, and Masahiro Ikoma. "Formation of aqua planets with water of nebular origin: effects of water enrichment on the structure and mass of captured atmospheres of terrestrial planets." Monthly Notices of the Royal Astronomical Society 496, no. 3 (2020): 3755–66. http://dx.doi.org/10.1093/mnras/staa1778.

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ABSTRACT Recent detection of exoplanets with Earth-like insolation attracts growing interest in how common Earth-like aqua planets are beyond the Solar system. While terrestrial planets are often assumed to capture icy or water-rich planetesimals, a primordial atmosphere of nebular origin itself can produce water through oxidation of the atmospheric hydrogen with oxidizing minerals from incoming planetesimals or the magma ocean. Thermodynamically, normal oxygen buffers produce water comparable in mole number equal to or more than hydrogen. Thus, the primordial atmosphere would likely be highly
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Modirrousta-Galian, Darius, and Jun Korenaga. "The Diffusion Limit of Photoevaporation in Primordial Planetary Atmospheres." Astrophysical Journal 965, no. 1 (2024): 97. http://dx.doi.org/10.3847/1538-4357/ad276f.

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Abstract Photoevaporation is thought to play an important role in early planetary evolution. In this study, we investigate the diffusion limit of X-ray- and ultraviolet-induced photoevaporation in primordial atmospheres. We find that compositional fractionation resulting from mass loss is more significant than currently recognized, because it is controlled by the conditions at the top of the atmosphere, where particle collisions are less frequent. Such fractionation at the top of the atmosphere develops a compositional gradient that extends downward. The mass outflow eventually reaches a stead
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Sinclair, Catriona A., Mark C. Wyatt, Alessandro Morbidelli, and David Nesvorný. "Evolution of the Earth’s atmosphere during Late Veneer accretion." Monthly Notices of the Royal Astronomical Society 499, no. 4 (2020): 5334–62. http://dx.doi.org/10.1093/mnras/staa3210.

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ABSTRACT Recent advances in our understanding of the dynamical history of the Solar system have altered the inferred bombardment history of the Earth during accretion of the Late Veneer, after the Moon-forming impact. We investigate how the bombardment by planetesimals left-over from the terrestrial planet region after terrestrial planet formation, as well as asteroids and comets, affects the evolution of Earth’s early atmosphere. We develop a new statistical code of stochastic bombardment for atmosphere evolution, combining prescriptions for atmosphere loss and volatile delivery derived from
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Liu, Lin-gun. "The Proto-Atmosphere of Terrestrial Planets." European Journal of Applied Sciences 13, no. 02 (2025): 473–78. https://doi.org/10.14738/aivp.1302.18571.

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The theoretically derived composition of the proto-atmosphere, which evolved during accretion, of terrestrial planets is composed primarily of CO2, Ar and N2 when the mass of a planet became greater than 3.30 x 1026 g. This is identical to the atmospheric compositions of Venus and Mars observed today. Therefore, both Venus and Mars most likely retained their proto-atmospheres till now. The Earth is situated between Venus and Mars, there is no reason whatsoever that the Earth’s proto-atmosphere should be any different from those of Venus and Mars. Yet, today’s Earth atmospheric composition is d
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Saxena, Prabal, Lindy Elkins-Tanton, Noah Petro, and Avi Mandell. "A model of the primordial lunar atmosphere." Earth and Planetary Science Letters 474 (September 2017): 198–205. http://dx.doi.org/10.1016/j.epsl.2017.06.031.

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Kurosaki, Kenji, Yasunori Hori, Masahiro Ogihara, and Masanobu Kunitomo. "Evolution of a Water-rich Atmosphere Formed by a Giant Impact on an Earth-sized Planet." Astrophysical Journal 957, no. 2 (2023): 67. http://dx.doi.org/10.3847/1538-4357/acfe0a.

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Abstract The atmosphere of a terrestrial planet that is replenished with secondary gases should have accumulated hydrogen-rich gas from its protoplanetary disk. Although a giant impact blows off a large fraction of the primordial atmosphere of a terrestrial planet in the late formation stage, the remaining atmosphere can become water-rich via chemical reactions between hydrogen and vaporized core material. We find that a water-rich postimpact atmosphere forms when a basaltic or CI chondrite core is assumed. In contrast, little postimpact water is generated for an enstatite chondrite core. We i
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Melosh, H. J., and A. M. Vickery. "Impact erosion of the primordial atmosphere of Mars." Nature 338, no. 6215 (1989): 487–89. http://dx.doi.org/10.1038/338487a0.

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Ueda, Hisahiro, and Takazo Shibuya. "Composition of the Primordial Ocean Just after Its Formation: Constraints from the Reactions between the Primitive Crust and a Strongly Acidic, CO2-Rich Fluid at Elevated Temperatures and Pressures." Minerals 11, no. 4 (2021): 389. http://dx.doi.org/10.3390/min11040389.

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The Hadean was an enigmatic period in the Earth’s history when ocean formation and the emergence of life may have occurred. However, minimal geological evidence is left from this period. To understand the primordial ocean’s composition, we focused on the ocean’s formation processes from CO2- and HCl-bearing water vapor in the high-temperature atmosphere. When the temperature of the lower atmosphere fell below the critical point, high-temperature rain reached the ground surface. Then, hydrothermal reactions between the subcritical fluid and primordial crust started. Eventually, a liquid ocean e
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Dissertations / Theses on the topic "Primordial atmosphere"

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Nunez, Elena. "The origin of terrestrial neon : an experimental study of isotopic fractionation of Neon during basalt degassing." Electronic Thesis or Diss., Orléans, 2024. http://www.theses.fr/2024ORLE1030.

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L'origine des éléments volatils de la Terre, cruciale pour comprendre l'évolution du Système Solaire primitif, la formation de la Terre et la vie, reste débattue. Les gaz nobles, en raison de leur inertie et de leur grande volatilité, servent de traceurs clés pour les principaux volatils tels que le CO2 et le H2O dans le manteau.Les signatures des gaz nobles dans les panaches mantelliques, en particulier ceux des Galapagos, d'Hawaï et d'Islande, suggèrent un néon de type solaire acquis lors de la formation de la Terre. Deux modèles principaux expliquent l'origine du néon dans le manteau : (i)
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Lunine, Jonathan Irving. "Volatiles in the Outer Solar System: I. Thermodynamics of Clathrate Hydrates. II. Ethane Ocean on Titan. III. Evolution of Primordial Titan Atmosphere." Thesis, 1985. https://thesis.library.caltech.edu/7490/1/Lunine_ji_1985.pdf.

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<p>Three investigations are conducted into the physical chemistry of volatiles in the outer solar system and the role of volatiles in icy satellite evolution.</p> <p>Part I:</p> <p>The thermodynamic stability of clathrate hydrate is calculated under a wide range of temperature and pressure conditions applicable to solar system problems, using a statistical mechanical theory developed by Van der Waals and Platteeuw (1959) and existing experimental data on properties of clathrate hydrates and their components. At low pressure, dissociation pressures and partition functions (Langmuir consta
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Books on the topic "Primordial atmosphere"

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Ishmael, Amelia, ed. Helvete 3. punctum books, 2016. https://doi.org/10.21983/p3.0158.1.00.

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Not to be confused with metal studies, music criticism, ethnography, or sociology, Helvete: A Journal of Black Metal Theory is a speculative and creative endeavor, one which seeks ways of thinking that count as Black Metal events — and indeed, to see how Black Metal might count as thinking. Theory of Black Metal, and Black Metal of theory. Mutual blackening. Therefore, we eschew any approach that treats theory and Metal discretely, preferring to take the left-hand path by insisting on “some kind of connaturality between the two, a shared capacity for nigredo.” Black Metal Theory is noise. Lack
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Trieloff, Mario. Noble Gases. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190647926.013.30.

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This is an advance summary of a forthcoming article in the Oxford Encyclopedia of Planetary Science. Please check back later for the full article.Although the second most abundant element in the cosmos is helium, noble gases are also called rare gases. The reason is that they are not abundant on terrestrial planets like our Earth, which is characterized by orders of magnitude depletion of—particularly light—noble gases when compared to the cosmic element abundance pattern. Indeed, such geochemical depletion and enrichment processes make noble gases so versatile concerning planetary formation a
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Theoretical considerations on the effects of electromagnetic fields on primordial reducing atmospheres. 1990.

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Zeitlin, Vladimir. Geophysical Fluid Dynamics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198804338.001.0001.

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The book explains the key notions and fundamental processes in the dynamics of the fluid envelopes of the Earth (transposable to other planets), and methods of their analysis, from the unifying viewpoint of rotating shallow-water model (RSW). The model, in its one- or two-layer versions, plays a distinguished role in geophysical fluid dynamics, having been used for around a century for conceptual understanding of various phenomena, for elaboration of approaches and methods, to be applied later in more complete models, for development and testing of numerical codes and schemes of data assimilat
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Book chapters on the topic "Primordial atmosphere"

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Makki, Tahani, Mounib El Eid, and Grant Mathews. "New Insight Concerning Primordial Lithium Production." In Springer Proceedings in Physics. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3276-3_3.

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Abstract To constrain the universe before recombination (380000 years after the Big Bang), we mostly rely on the measurements of the primordial abundances that indicate the first insight into the thermal history of the universe. The first production of light elements is obtained by the Big Bang Nucleosynthesis (BBN). The production of the elements D, 3He, and 4He during BBN matches well the observations; however, the production of lithium (7Li) based on the Standard Big Bang Nucleosynthesis (SBBN) is found to be higher by about a factor of three than the observed abundance from metal-poor halo
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Pepin, Robert O. "On the Isotopic Composition of Primordial Xenon in Terrestrial Planet Atmospheres." In From Dust to Terrestrial Planets. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4146-8_24.

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Zalasiewicz, Jan, and Mark Williams. "Primordial Climate." In The Goldilocks Planet. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199593576.003.0007.

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We are lucky, on Earth. We are lucky because we—as complex and self-aware organisms—are here. We are sustained, given air to breathe, and water, and food, by a very ancient planet: a planet past its midpoint, a planet that is nearer death than birth. Our species is a latecomer. It took some three billion years to bridge the gap from a single-celled organism (originating in this planet’s youth) to a multicellular one, and then a little over half a billion more to arrive at the diversity of species on Earth today, including Homo sapiens . In all this time, the chain of life has remained unbroken
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Ni, Sidao, and Thomas J. Ahrens. "Giant impact-induced blow-off of primordial atmosphere." In Large Meteorite Impacts III. Geological Society of America, 2005. http://dx.doi.org/10.1130/0-8137-2384-1.427.

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Arbib, Michael A. "Atmosphere, affordances, and emotion." In When Brains Meet Buildings. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780190060954.003.0004.

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The atmosphere of a building is the pervading mood it provides, and can be considered a non-Gibsonian affordance. Atmosphere may frame our experience of a building, but over time our perception of the atmosphere may change. This chapter explores atmosphere in relation to motivation and emotion and the role of the limbic system of the brain. Emotion builds on a set of primordial emotions, but human cognition adds subtlety and supports aesthetic emotions. Paintings by Turner and Constable are examined to take the reader beyond the phenomenology of atmosphere and to explore the idea that the arti
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Milgrom, Lionel R. "Where porphyrins come from …" In The Colours of Life. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198553809.003.0002.

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Abstract It is difficult to imagine the earth as a young world devoid of all life. The famous Walt Disney cartoon Fantasia gives as good a picture as any of what our prebiotic planet must have been like. The scientific imagination has managed to add some bones to Hollywood’s speculations, in the form of experiments on mixtures of gases that are thought to have constituted the earth’s primordial atmosphere.
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Witten, T., and P. Pincus. "Overview." In Structured Fluids. Oxford University PressOxford, 2004. http://dx.doi.org/10.1093/oso/9780198526889.003.0001.

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Abstract As physical scientists, we are concerned with the behaviour of matter in all its forms. We want to know what matter does and why. This is our goal in studying the primordial universe, the tenuous interstellar medium, the gaseous atmosphere of the Earth, the ionized plasma of the Sun’s corona, the mundane liquids and solids of our human surroundings, and the exotic dense matter within a molecule, an atomic nucleus, or a proton. This book is about a tiny subset of this vast range of forms of matter: structured fluids. Structured fluids are liquids, i.e., condensed matter in which the at
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Lahav, Noam. "Planet Earth." In Biogenesis. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195117547.003.0014.

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Abstract Except for major short-term perturbations in surface environments caused by a declining flux of impactors, equable conditions for prebiotic evolution could have existed as early as 4.4 GA. The earth is about 4.6 Ga old. At that remote time, known as the Hadean era (fig. 13.1), its surface was very hot as a result of the accretion process, which, according to recent hypotheses, took about a hundred million years: Its temperature, according to recent models, was about 1,500°K. Thus, the surface was molten. The iron-group elements (Fe, Ni, and Co) melted and passed through the lighter si
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Applewhite, James. "Southern Writing and the Problem of the Father." In The Future of Southern Letters. Oxford University PressNew York, NY, 1996. http://dx.doi.org/10.1093/oso/9780195097818.003.0002.

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Abstract My ideas about the future of southern writing are intimately bound up with certain qualities it has had in the past, as a result of its origins in a region with a particularly determining history. In order to forecast the future, I shall have to delve rather extensively into this past. I will begin by clarifying remarks about earlier twentieth-century southern poetry that I put forward in “The Poet at Home in the South” (The Southern Review and Modem Literature 1935-1985, Louisiana State University Press, 1988). Dave Smith, in his essay in the present volume, questions whether there i
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Fradenburg Joy, L. O. Aranye. "‘Le Sigh’: Enactive and Psychoanalytic Insights into Medieval and Renaissance Paralanguage." In Distributed Cognition in Medieval and Renaissance Culture. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474438131.003.0015.

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Sighing is both performative and vital activity, and exemplifies the role of ‘primordial affectivity’ in the organism’s co-creativity with its environment. Emerging from the organism’s ‘cares’, transforming the atmosphere and the affect that initiated it, the sigh is a striking instance of distributed cognition, an action reaching through ancient respiratory processes to the most deliberate forms of self-care. Premodern psychology understood the sigh as an attempt to free the circulation of vital and animal spirits from blockage caused by the overheating of imaginative and estimative faculties
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Conference papers on the topic "Primordial atmosphere"

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Pahlevan, Kaveh, Marc Hirschmann, and Laura Schaefer. "Primordial atmospheric evolution recorded in the Martian mantle." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6568.

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Vacher, Lionel, Yves Marrocchi, Thomas Rigaudier, et al. "Hydrogen in chondrites: Influence of parent body alteration and atmospheric contamination on primordial components." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.4559.

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Wolf, Aaron S., Noah Jäggi, Paolo Sossi, and Dan Bower. "Modeling primordial atmospheric compositions and O2 abundances from magma ocean and volcanic outgassing with VapoRock." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.18634.

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