Results 41 to 50 of about 88,472 (171)

Stellar evolution and modelling stars

, 2017
In this chapter I give an overall description of the structure and evolution of stars of different masses, and review the main ingredients included in state-of-the-art calculations aiming at reproducing observational features.
A. Bressan, A. Dotter, A. Maeder, A. Miglio, A. Pietrinferni, A. Weiss, A.M. Serenelli, A.M. Serenelli, A.M. Serenelli, B.E.J. Pagel, C. Angulo, C.A. Iglesias, C.J. Conselice, D. Cordier, D. Huber, D. Maoz, D. Mihalas, D. Reimers, D. Saumon, D.A. Vandenberg, D.G. Hummer, D.R. Alexander, E. Böhm-Vitense, E. Caffau, E.G. Adelberger, E.G. Adelberger, F. Herwig, F. Matteucci, F.J. Rogers, F.J. Rogers, G. Steigman, H. Costantini, H. Kjeldsen, I. Hubeny, J. Bland-Hawthorn, J. Choi, J. Christensen-Dalsgaard, J. Christensen-Dalsgaard, J. Christensen-Dalsgaard, J.-P. Cox, J.-P. Zahn, J.N. Bahcall, J.N. Bahcall, J.N. Winn, J.W. Ferguson, K.C. Schlaufman, L. Casagrande, L. Girardi, L. Silva Da, M. Asplund, M. Camenzind, M. Gabriel, M. Haft, M. Marta, M. Peimbert, M. Pinsonneault, M. Salaris, M. Schwarzschild, M. Schönberg, N. Grevesse, N. Itoh, N. Itoh, N.R. Badnell, P. Eggenberger, P. Kumar, R. Jimenez, R. Trampedach, S. Basu, S. Cassisi, S. Cassisi, S. Deheuvels, S. Deheuvels, S. Deheuvels, S. Turcotte, S.J. Smartt, T. Constantino, T.R. Bedding, V. Silva Aguirre, V. Silva Aguirre, V. Silva Aguirre, V. Silva Aguirre, V.M. Canuto, V.M. Canuto, W. Unno, W.P. Ledoux   +84 more
core   +1 more source

Futures of Everyday Life: A Qualitative Content Analysis of Future Personas in Scenarios

FUTURES &FORESIGHT SCIENCE, Volume 8, Issue 1, April 2026.
ABSTRACT Scenario reports, holding a long‐standing tradition in foresight and futures studies, act as an essential document for organizations to prepare for possible, plausible, and alternative futures. Focusing on descriptions and representations of everyday life, we examined 29 future persona narratives from six publications—covering a wide field ...
Gerhard Schönhofer, Pauli Komonen, Jan Oliver Schwarz, Laura Bechthold   +3 more
wiley   +1 more source

Solar Soft X‐Ray Proxy Derived From Observed Auger Photoelectrons by MGS and a 1999–2006 Flare Catalog at Mars

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract This study uses a novel approach to infer the solar soft X‐ray (SXR) irradiance from Auger photoelectron fluxes. Solar SXR irradiance is highly variable, particularly during solar flares. Solar SXR photons at ∼< ${\sim} < $2.5 nm produce oxygen Auger photoelectrons by photoionizing atmospheric constituents. More specifically, we derive the fit
Shaosui Xu, Edward M. Thiemann, David L. Mitchell, Phillip C. Chamberlin   +3 more
wiley   +1 more source

Ion‐Scale Wave Emission and Absorption for Non‐Maxwellian Velocity Distributions in the Inner Heliosphere

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Hot and tenuous plasmas have velocity distribution functions (VDFs) significantly different from Maxwellian distributions. Characterizing how these differences impact wave damping and emission necessitates sophisticated methods for determining the associated dielectric plasma response.
K. G. Klein, D. Larson, R. Livi, M. M. Martinović, A. Rahmati, N. Shankarappa, M. Stevens, D. Verscharen, P. Whittlesey   +8 more
wiley   +1 more source

The Effective Temperatures of O-type Stars from UV spectroscopy

, 2013
We present an analysis of high resolution spectra in the far-UV -- UV range (~905-2000\AA) with non-LTE, spherical, hydrodynamical, line-blanketed models, of three O-type Galactic stars, and derive their photospheric and wind parameters.
Bianchi, Luciana, Garcia, Miriam
core   +1 more source

Effects of the May 2024 Solar Storm on the Earth's Radiation Belts Observed by CALET on the International Space Station

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract In May 2024, extraordinary solar activity triggered a powerful solar storm, impacting Earth and producing the extreme geomagnetic storm of 10‐11 May, the most intense since 2003. This had significant effects on the magnetosphere, leading to the creation of a new long‐lasting component of relativistic electrons and to flux changes in the South ...
A. Ficklin, A. Bruno, L. Blum, N. Cannady, T. G. Guzik, R. Kataoka, K. Munakata, Y. Akaike, S. Torii   +8 more
wiley   +1 more source

Evry Leon Schatzman

, 2014
This article describes the life and work of French astrophysicist Evry Schatzman (1920-2010). He was a pioneer in the study of white dwarfs during the 1940s and was one of the proponents of the wave heating theory of the solar corona.
Luminet, Jean-Pierre
core  

The formation of planetary disks and winds: an ultraviolet view

, 2008
Planetary systems are angular momentum reservoirs generated during star formation. This accretion process produces very powerful engines able to drive the optical jets and the molecular outflows.
A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.I. Gómez de Castro, A.P. Goodson, Ana I. Gómez de Castro, B. Rekowski von, C. Ferro-Fontán, D.R. Ardila, E. Bergin, E. Bergin, E. Gullbring, F. Hamann, F. Krause, F.K. Lamb, G.J. Herczeg, G.J. Herczeg, Herczeg, Herczeg, J. Bouvier, J. Ferreira, J. Frank, J. Muzerolle, J.C. Raymond, M.V. Penston, N. Kappelmann, P. Ghosh, P. Hartigan, P.P. Petrov, S. Basu, S.A. Lamzin, T. Preibish   +40 more
core   +1 more source

Observed Climatic Variability of Global Ocean Stratification

AGU Advances, Volume 7, Issue 1, February 2026.
Abstract Oceanic stratification plays a key role in climate by modulating the ocean's resistance to be mixed vertically. However, the climatic variability of stratification remains little documented beyond the deepest reach of winter mixing. Here, we address this gap by performing a global investigation of the spatio‐temporal variability of ...
R. Somavilla, Alberto C. Naveira‐Garabato, César González‐Pola, Julio M. Fernández‐Díaz, Ignasi Vallès‐Casanova   +4 more
wiley   +1 more source

Investigation on the Coherent Component of SHARAD Surface Echo and Surface Roughness: Scaling Behavior and Influence of Hurst Exponent

Earth and Space Science, Volume 13, Issue 2, February 2026.
Abstract The radar surface echo can be separated into coherent and incoherent components by statistical approaches, and the coherent component can be described by a backscattering model related to the RMS height. According to backscattering models for fractal surfaces, the coherent power in decibels decreases with RMS height on a scale independent of ...
Tiansheng Hong, Yan Su, Elena Pettinelli, Roberto Orosei, Sebastian Emanuel Lauro, Zhibin Li, Chunyu Ding, Elisabetta Mattei, Barbara Cosciotti, Chunlai Li   +9 more
wiley   +1 more source