The Energy Balance And Hydrodynamics Of The Solar Chromosphere And Corona
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Author | : |
Publisher | : |
Total Pages | : 504 |
Release | : 1977 |
Genre | : |
ISBN | : |
Download The energy balance and hydrodynamics of the solar chromosphere and corona Book in PDF, Epub and Kindle
Author | : International Astronomical Union |
Publisher | : |
Total Pages | : 524 |
Release | : 1977 |
Genre | : Bioenergetics |
ISBN | : |
Download The Energy Balance and Hydrodynamics of the Solar Chromosphere and Corona Book in PDF, Epub and Kindle
Author | : Roger-M. Bonnet |
Publisher | : |
Total Pages | : 504 |
Release | : 1978 |
Genre | : Hydrodynamics |
ISBN | : |
Download The Energy Balance and Hydrodynamics of the Solar Chromosphere and Corona Book in PDF, Epub and Kindle
Author | : Friedrich Meyer |
Publisher | : |
Total Pages | : 25 |
Release | : 1977 |
Genre | : |
ISBN | : |
Download The Influence of Magnetic Fields in the Solar Atmosphere Book in PDF, Epub and Kindle
Author | : Peter Ulmschneider |
Publisher | : Springer Science & Business Media |
Total Pages | : 663 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 364287455X |
Download Mechanisms of Chromospheric and Coronal Heating Book in PDF, Epub and Kindle
One of the great problems of astrophysics is the unanswered question about the origin and mechanism of chromospheric and coronal heating. Just how these outer stellar envelopes are heated is of fundamental importance, since all stars have hot chromospheric and coronal shells where the temperature rises to millions of degrees, comparable to the temperatures in the stars' cores. Here for the first time is a comprehensive inventory of the proposed chromospheric and coronal heating theories. The proposed heating processes are critically compared, and the observational evidence for the various mechanisms is reviewed. This is essential reading for all those working in such fields as stellar activity, radio and XUV emission, rotation, and mass loss, for whom a detailed and consistent presentation of our knowledge of chromospheric and coronal heating mechanisms is urgently needed.
Author | : Claus Fröhlich |
Publisher | : Springer Science & Business Media |
Total Pages | : 438 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401148201 |
Download Solar Composition and its Evolution — from Core to Corona Book in PDF, Epub and Kindle
The discovery of chemical elements in celestial bodies and the first estimates of the chemical composition of the solar atmosphere were early results of Astrophysics - the subdiscipline of Astronomy that was originally concerned with the general laws of radiation and with spectroscopy. Following the initial quantitative abundance studies by Henry Norris Russell and by Cecilia Payne-Gaposchkin, a tremendous amount of theoretical, observa tional, laboratory and computational work led to a steadily improving body of knowledge of photospheric abundances - a body of knowledge that served to guide the theory of stellar evolution. Solar abundances determined from photospheric spectra, together with the very similar abundances determined from carbonaceous chondrites (where extensive information on isotopic composition is available as well), are nowadays the reference for all cosmic composition measures. Early astrophysical studies of the solar photospheric composition made use of atmosphere models and atomic data. Consistent abundances derived from different atmospheric layers and from lines of different strength helped to confirm and estab lish both models and atomic data, and eventually led to the now accepted, so-called "absolute" abundance values - which, for practical reasons, however, are usually given relative to the number of hydrogen nuclei.
Author | : John L. Kohl |
Publisher | : Springer Science & Business Media |
Total Pages | : 360 |
Release | : 2013-11-09 |
Genre | : Science |
ISBN | : 9401591679 |
Download Coronal Holes and Solar Wind Acceleration Book in PDF, Epub and Kindle
The SOHO-7 Workshop was held from 28 September through 1 October 1998 at the Asticou Inn in Northeast Harbor, Maine. The primary topic of this Workshop was the impact of SOHO observations on our understanding of the nature and evolution of coronal holes and the acceleration and composition of the solar wind. The presentations and discussions occasionally went beyond this topic to include the impact of the reported research on other solar structures and the heliosphere. SOHO (the Solar and Heliospheric Observatory), a project of international cooperation between ESA and NASA, was launched in December 1995 and began its science operations during the first few months of 1996. To many solar and space physicists, it was a great advantage that SOHO began itscomprehensive look at the Sun during the 1996 solar minimum. The qualitatively simple two-phase corona, with polar coronal holes expanding into the high-speed solar wind, and a steady equatorial streamer belt related somehow to the stochastic slow-speed solar wind, allowed various SOHO diagnostics to be initiated with a reasonably well understoodcircumsolar geometry. The analysis of subsequentSOHO measurements made during the rising phase of solar cycle 23 will continue to benefit from what has been learned from the first two years of data.
Author | : Friedrich Meyer |
Publisher | : |
Total Pages | : 25 |
Release | : 1977 |
Genre | : |
ISBN | : |
Download The influence of magnetic fields in the solar atmosphere Book in PDF, Epub and Kindle
Author | : A. Dalgarno |
Publisher | : Cambridge University Press |
Total Pages | : 376 |
Release | : 1987-06-11 |
Genre | : Science |
ISBN | : 9780521269278 |
Download Spectroscopy of Astrophysical Plasmas Book in PDF, Epub and Kindle
A group of acknowledged experts describe the use of spectroscopy as a diagnostic probe of astronomical environments. The broad sweep of the book enables good coverage to be given to all the situations in which plasmas are encounteres in astronomical investigations. Specifically, the articles include quasars, Seyfert galaxies, active galactic nuclei, the solar chromosphere and corona, galactic HII regions, circumstellar shells, interstellar gas, supernova remnants and interstellar clouds. The book includes an account of the basic aspects of spectroscopy in a chapter on laboratory astrophysics. The book was stimulated by the extraordinary contributions to astronomical spectroscopy of Leo Goldberg, and is dedicated to him. Throughout, this book is written with the needs of students in astronomy and astrophysics in mind. Each chapter includes a summary or conclusions about the future direction of research. Furthermore there are extensive bibliographies. This textbook is therefore an excellent introduction to research in astrophysics and it will act as a pathfinder to the primary literature.
Author | : T. Roca Cortes |
Publisher | : Cambridge University Press |
Total Pages | : 422 |
Release | : 1996-08-28 |
Genre | : Science |
ISBN | : 9780521563079 |
Download The Structure of the Sun Book in PDF, Epub and Kindle
The complex internal structure of the Sun can now be studied in detail through helioseismology and neutrino astronomy. The VI Canary Islands Winter School of Astrophysics was dedicated to examining these powerful new techniques. Based on this meeting, eight specially-written chapters by world-experts are presented in this timely volume. We are shown how the internal composition and dynamical structure of the Sun can be deduced through helioseismology; and how the central temperature can be determined from the flux of solar neutrinos. This volume provides an excellent introduction for graduate students and an up-to-date overview for researchers working on the Sun, neutrino astronomy and helio- and asteroseismology.