Search Results - "Fegley Jr, B."
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Atmospheric Chemistry in Giant Planets, Brown Dwarfs, and Low-Mass Dwarf Stars: I. Carbon, Nitrogen, and Oxygen
Published in Icarus (New York, N.Y. 1962) (01-02-2002)“…The chemical species containing carbon, nitrogen, and oxygen in atmospheres of giant planets, brown dwarfs (T and L dwarfs), and low-mass stars (M dwarfs) are…”
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Novel Experimental Simulations of the Atmospheric Injection of Meteoric Metals
Published in The Astrophysical journal (20-02-2017)“…A newly developed laboratory, Meteoric Ablation Simulator (MASI), is used to test model predictions of the atmospheric ablation of interplanetary dust…”
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A thermodynamic model of high temperature lava vaporization on Io
Published in Icarus (New York, N.Y. 1962) (01-05-2004)“…We modified the MAGMA chemical equilibrium code developed by Fegley and Cameron (1987, Earth Planet. Sci. Lett. 82, 207–222) and used it to model vaporization…”
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Heavy metal frost on Venus
Published in Icarus (New York, N.Y. 1962) (01-03-2004)“…Chemical equilibrium calculations of volatile metal geochemistry on Venus show that high dielectric constant compounds of lead and bismuth such as PbS…”
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Tremolite decomposition on Venus II. Products, kinetics, and mechanism
Published in Icarus (New York, N.Y. 1962) (01-08-2003)“…We present revised tremolite powder thermal decomposition kinetics using previous and newly acquired data from longer time (years instead of months) and lower…”
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Longevity of fluorine-bearing tremolite on Venus
Published in Icarus (New York, N.Y. 1962) (01-10-2003)“…There is a general belief that hydrous minerals cannot exist on Venus under current surface conditions. This view was challenged when Johnson and Fegley (2000,…”
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Chemical effects of large impacts on the earth's primitive atmosphere
Published in Nature (London) (23-01-1986)“…The production of HCN and H2CO by large impacts on the earth's primitive atmosphere is modelled using thermochemical equilibrium and chemical kinetic…”
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Experimental Simulations of Sulfide Formation in the Solar Nebula
Published in Science (American Association for the Advancement of Science) (18-07-1997)“…Sulfurization of meteoritic metal in H$_2$S-H$_2$ gas produced three different sulfides: monosulfide solid solution [(Fe,Ni)$_{1-x}$S], pentlandite…”
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Experimental studies of atmosphere-surface interactions on Venus
Published in Advances in Space Research (2002)“…We review the sulfur cycle, oxidation state of the surface and near-surface atmosphere, and the decomposition rate of fossil hydrous minerals on the surface of…”
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Atmospheric Chemistry in Giant Planets, Brown Dwarfs, and Low-Mass Dwarf Stars. II. Sulfur and Phosphorus
Published in The Astrophysical journal (10-09-2006)“…Thermochemical equilibrium and kinetic calculations are used to model sulfur and phosphorus chemistry in giant planets, brown dwarfs, and extrasolar giant…”
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Alkali and Chlorine Photochemistry in a Volcanically Driven Atmosphere on Io
Published in Icarus (New York, N.Y. 1962) (01-03-2002)“…Observations of the Io plasma torus and neutral clouds indicate that the extended ionian atmosphere must contain sodium, potassium, and chlorine in atomic…”
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Photochemistry of a Volcanically Driven Atmosphere on Io: Sulfur and Oxygen Species from a Pele-Type Eruption
Published in Icarus (New York, N.Y. 1962) (01-03-2002)“…To determine how active volcanism might affect the standard picture of sulfur dioxide photochemistry on Io, we have developed a one-dimensional atmospheric…”
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Molecular Abundances in the Atmosphere of the T Dwarf Gl 229B
Published in The Astrophysical journal (20-09-2000)Get full text
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Chemical Constraints on the Water and Total Oxygen Abundances in the Deep Atmosphere of Saturn
Published in The Astrophysical journal (20-04-2005)“…Thermochemical equilibrium and kinetic calculations for the trace gases CO, PH sub(3), and SiH sub(4) give three independent constraints on the water and total…”
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Plasma ion composition measurements for Europa
Published in Planetary and space science (01-11-2013)“…Jupiter magnetospheric interactions and surface composition, both important to subsurface ocean detection for the Galilean icy moons Europa, Ganymede, and…”
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Predicted Abundances of Carbon Compounds in Volcanic Gases on IO
Published in The Astrophysical journal (10-01-2005)“…We use chemical equilibrium calculations to model the speciation of carbon in volcanic gases on Io. The calculations cover wide temperature (500-2000 K),…”
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Eruption conditions of Pele Volcano on Io inferred from chemistry of its volcanic plume
Published in Geophysical research letters (01-09-2000)“…We use thermodynamic models and published 1996 Hubble Space Telescope (HST) observations of SO2, SO, and monatomic sulfur gas in the Pele volcanic plume on…”
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The Rate of Pyrite Decomposition on the Surface of Venus
Published in Icarus (New York, N.Y. 1962) (01-05-1995)“…We report the results of a detailed experimental study of the kinetics and mechanism of pyrite (FeS2) chemical weathering under Venus surface conditions…”
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Vertical distribution of disequilibrium species in Jupiter's troposphere
Published in Space science reviews (01-09-1984)“…Sources of organic matter and inorganic tracers on Jupiter, including solar UV photolysis, lightning discharges, and convective quenching of hot gases from the…”
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Estimation of the rate of volcanism on Venus from reaction rate measurements
Published in Nature (London) (05-01-1989)“…Laboratory rate data for the reaction between SO2 and calcite to form anhydrite are presented. If this reaction rate represents the SO2 reaction rate on Venus,…”
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