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Bibliothèque Houziaux
Stellar atmospheres --- Early stars --- Atmospheres --- Congresses.
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Stellar atmospheres --- 521.03 --- Theoretical astronomy. Celestial mechanics--?.03 --- Stars --- Structure --- Congresses. --- Evolution --- 521.03 Theoretical astronomy. Celestial mechanics--?.03 --- Convection (astrophysique) --- Étoiles --- Étoiles --- Convection (Astrophysics) --- Structure. --- Évolution. --- Évolution --- Évolution
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Stars --- Etoiles - Atmospheres --- Atmospheres --- 521.03 --- -Sidereal system --- Galaxies --- Circumstellar matter --- Theoretical astronomy. Celestial mechanics--?.03 --- Atmospheres. --- -Theoretical astronomy. Celestial mechanics--?.03 --- 521.03 Theoretical astronomy. Celestial mechanics--?.03 --- Atmospheres of stars --- Stellar atmospheres --- Stars - Atmospheres --- STARS --- ATMOSPHERES
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521.03 --- Radiative transfer --- Stars --- -Numerical analysis --- Mathematical analysis --- Sidereal system --- Galaxies --- Circumstellar matter --- Transfer, Radiative --- Astrophysics --- Geophysics --- Heat --- Radiation --- Transport theory --- Theoretical astronomy. Celestial mechanics--?.03 --- Atmospheres --- Radiation and absorption --- Numerical analysis. --- Radiative transfer. --- Atmospheres. --- 521.03 Theoretical astronomy. Celestial mechanics--?.03 --- Numerical analysis --- Atmospheres of stars --- Stellar atmospheres
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Like planets in our solar system, exoplanets form, evolve, and interact with their host stars in many ways. As exoplanets acquire material and grow to the final size, their atmospheres are subjected to intense UV and X-radiation and high-energy particle bombardment from the young host star. Whether a planet can retain its atmosphere and the conditions for significant mass loss both depend upon the strength of the host star's high-energy radiation and wind, the distance of the exoplanet from its host star, the gravitational potential of the exoplanet, and the initial chemical composition of the exoplanet atmosphere. This introductory overview describes the physical processes responsible for the emission of radiation and acceleration of winds of host stars that together control the environment of an exoplanet, focusing on topics that are critically important for understanding exoplanetary atmospheres but are usually not posed from the perspective of host stars. Accordingly, both host stars and exoplanets are not studied in isolation but are treated as integrated systems. Stellar magnetic fields, which are the energy source for activity phenomena including high-energy radiation and winds, play a critical role in determining whether exoplanets are habitable. This text is primarily for researchers and graduate students who are studying exoplanet atmospheres and habitability, but who may not have a background in the physics and phenomenology of host stars that provide the environment in which exoplanets evolve. It provides a comprehensive overview of this broad topic rather than going deeply into many technical aspects but includes a large list of references to guide those interested in pursuing these questions. Nonspecialists with a scientific background should also find this text a valuable resource for understanding the critical issues of contemporary exoplanet research.
Planetary science. --- Astrobiology. --- Planetology. --- Solar system. --- Astrophysics. --- Planetary Sciences. --- Atmospheric Sciences. --- Solar and Heliospheric Physics . --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Planetary sciences --- Planetology --- Astrobiology --- Biology --- Habitable planets --- Life --- Origin --- Stars --- Atmospheres. --- Atmospheres of stars --- Stellar atmospheres --- Atmospheric sciences. --- Space sciences. --- Science and space --- Space research --- Cosmology --- Science --- Atmospheric sciences --- Earth sciences --- Atmosphere
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"This book provides readers with the skills they need to write computer codes that simulate convection, internal gravity waves, and magnetic field generation in the interiors and atmospheres of rotating planets and stars. Using a teaching method perfected in the classroom, Gary Glatzmaier begins by offering a step-by-step guide on how to design codes for simulating nonlinear time-dependent thermal convection in a two-dimensional box using Fourier expansions in the horizontal direction and finite differences in the vertical direction. He then describes how to implement more efficient and accurate numerical methods and more realistic geometries in two and three dimensions. In the third part of the book, Glatzmaier demonstrates how to incorporate more sophisticated physics, including the effects of magnetic field, density stratification, and rotation.Featuring numerous exercises throughout, this is an ideal textbook for students and an essential resource for researchers. Describes how to create codes that simulate the internal dynamics of planets and stars Builds on basic concepts and simple methods Shows how to improve the efficiency and accuracy of the numerical methods Describes more relevant geometries and boundary conditions Demonstrates how to incorporate more sophisticated physics "--
Convection (Astrophysics) --- Planets --- Stars --- Astrophysics --- Heat --- Atmospheres of stars --- Stellar atmospheres --- Atmospheres of planets --- Planetary atmospheres --- Computer simulation. --- Mathematical models. --- Atmospheres. --- Convection --- 2.5D spherical-shell. --- 3D cartesian box. --- 3D spherical-shell. --- Adams-Bashforth time integration scheme. --- Boussinesq approximation. --- ChebyshevІourier method. --- CrankЎicolson scheme. --- Fourier expansions. --- Fourier mode. --- Fourier transforms. --- Galerkin method. --- Nusselt number. --- Poisson equation. --- Prandtl number. --- Rayleigh number. --- RayleighЂnard convection. --- Reynolds number. --- RungeЋutta scheme. --- advection. --- anelastic approximation. --- anelastic model. --- arbitrary background field. --- aspect ratio. --- boundary conditions. --- boundary layers. --- cartesian box geometry. --- computer analysis. --- computer code. --- computer graphics. --- computer simulations. --- conservation equations. --- convection. --- coordinate mapping. --- critical Rayleigh number. --- density stratification. --- diffusion. --- dispersion relation. --- double-diffusive convection. --- energy. --- entropy. --- finite-amplitude simulations. --- finite-difference method. --- fluid dynamics. --- fluid flow. --- fluid velocity. --- horizontal background field. --- infinite Prandtl number. --- internal gravity waves. --- kinetic energy spectrum. --- linear code. --- linear dispersion relation. --- linear equations. --- linear model. --- linear stability analysis. --- linear stability problem. --- magnetic field generation. --- magnetic field. --- magneto-gravity waves. --- magnetoconvection. --- magnetohydrodynamic equations. --- magnetohydrodynamics. --- mantle convection. --- marginal stability. --- mass. --- momentum. --- nonlinear code. --- nonlinear convection. --- nonlinear evolution. --- nonlinear simulations. --- nonlinear terms. --- nonuniform grid. --- numerical code. --- numerical method. --- numerical model. --- oscillating instability. --- parallel code. --- parallel processing. --- postprocessing code. --- predictor-corrector scheme. --- pressure. --- rotation. --- salt-fingering instability. --- semi-implicit scheme. --- semiconvection instability. --- spatial discretization. --- spatial resolution. --- spectral method. --- spectral space. --- spherical harmonic expansions. --- staircase profile. --- temperature profile. --- temperature. --- thermal convection. --- thermal diffusion. --- thermal stratification. --- time integration schemes. --- vorticity-streamfunction formulation. --- vorticity. --- wave energy.
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