Galactic Geometry
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| Author | : R. Beck |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 582 |
| Release | : 1990-04-30 |
| Genre | : Science |
| ISBN | : 9780792307044 |
This Symposium, the first devoted entirely to the measurement and the role of magnetic fields in the non-solar Universe, was held in Heidelberg, on June 19-23, 1989. The meeting began with review talks on magnetic phenomena near the solar photosphere, corona, and in stellar winds, since these nearby "laboratories", studied for many years, provide much of the prior knowl edge of magnetic effects in astrophysical plasmas. The Symposium contained presentations of considerable new work concerning the role of magnetic fields in accretion disks, bipolar outflows, and related magnetic phenomena in molecular clouds and star forming regions. Both observa tions and related theory of the large-scale magnetic fields in the Milky Way were covered, in addition to a session on the more general theme of magnetohydrodynamics of galactic magnetic fields. Dynamo mechanisms were discussed in considerable detail. It was apparent that recent observational data on polarized emission from external galaxies are now of sufficiently high quality that meaningful tests of large-scale field amplification, and of ideas on the origin of galactic magnetic fields, can be undertaken. Both new observations and numerical simulation work were described in the context of active galaxy nuclei, supernova remnants, radio source jets and extended lobes, and also in the environment of galaxy clusters. Recent large-scale computer simulations incorporating magnetic fields in star formation, radio source jets, and many other phenomena were presented, and much of this was very new.
| Author | : James Binney |
| Publisher | : Princeton University Press |
| Total Pages | : 818 |
| Release | : 2021-07-13 |
| Genre | : Science |
| ISBN | : 0691233322 |
This is the definitive treatment of the phenomenology of galaxies--a clear and comprehensive volume that takes full account of the extraordinary recent advances in the field. The book supersedes the classic text Galactic Astronomy that James Binney wrote with Dimitri Mihalas, and complements Galactic Dynamics by Binney and Scott Tremaine. It will be invaluable to researchers and is accessible to any student who has a background in undergraduate physics. The book draws on observations both of our own galaxy, the Milky Way, and of external galaxies. The two sources are complementary, since the former tends to be highly detailed but difficult to interpret, while the latter is typically poorer in quality but conceptually simpler to understand. Binney and Merrifield introduce all astronomical concepts necessary to understand the properties of galaxies, including coordinate systems, magnitudes and colors, the phenomenology of stars, the theory of stellar and chemical evolution, and the measurement of astronomical distances. The book's core covers the phenomenology of external galaxies, star clusters in the Milky Way, the interstellar media of external galaxies, gas in the Milky Way, the structure and kinematics of the stellar components of the Milky Way, and the kinematics of external galaxies. Throughout, the book emphasizes the observational basis for current understanding of galactic astronomy, with references to the original literature. Offering both new information and a comprehensive view of its subject, it will be an indispensable source for professionals, as well as for graduate students and advanced undergraduates.
| Author | : Judith L. Cameron Ph.D. |
| Publisher | : Balboa Press |
| Total Pages | : 349 |
| Release | : 2019-09-16 |
| Genre | : Body, Mind & Spirit |
| ISBN | : 1982234741 |
This book by Judith L. Cameron, Ph.D. is the continuation of her true story of her ongoing encounters with benevolent extraterrestrials and the education that she has received from them throughout her life. She began sharing her story in her first book, “Caught Between Two Worlds...A Journey Through Time. She had a lucid dream that told her that part of her life’s work was to train to be an ambassador-a liaison between Earth humans and extraterrestrials when the star visitors come en masse on their first contact mission. Follow Judy’s continuing adventure from being a child of six and meeting her first extraterrestrials to her present-day encounters which have occurred in many different ways. Judy talks about the remarkable things she has learned from these benevolent beings, disclosure, and the awakening of the masses. She will take you around the world sharing with you the stargates that are present and who is assumed to have built them. Traveling around the globe to exotic places such as Bora Bora, Orpheus Island, Australia on the Great Barrier Reef, Hawaii, the great American Southwest, Mecca, Saudi Arabia, Cairo, Egypt, and Dubai, United Arab Emirates, Judy’s story will enchant and at times, captivate you. Working as a public-school teacher for forty years teaching all grade levels, and at NASA, the National Aeronautics and Space Administration as an educational consultant, along with her work as a doctor of clinical hypnotherapy, have given Judy the background and credibility that she needs to carry out her mission. Follow Judy now as you learn of the wonderful possibilities for our future Earth.
| Author | : International Astronomical Union. Symposium |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 546 |
| Release | : 1990-08-31 |
| Genre | : Science |
| ISBN | : 9780792308416 |
Proceedings of the 139th Symposium of the International Astronomical Union on `The Galactic and Extragalactic Background Radiation, held in Heidelberg, FRG, June 12-16, 1989
| Author | : |
| Publisher | : |
| Total Pages | : 30 |
| Release | : 1989 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : E. Bouton |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 715 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 1461239362 |
Galactic and Extragalactic Radio Astronomy is a fundamental text for graduate students and professional astronomers and covers all aspects of radio astronomy beyond the solar system. Each chapter is written by a renowned expert in the field and contains a review of a particular area of radio astronomy and presents the latest observations and interpretations as well as an extensive view of the literature (as of 1988). Topics covered include: galactic continuum emission, HII regions, the diffuse interstellar medium, interstellar molecules, astronomical masers, neutral hydrogen, the galactic center, radio stars, supernova remnants, pulsars, extragalactic hydrogen, radio galaxies and quasars, the microwave background, and cosmological radio sources.
| Author | : W.B. Burton |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 409 |
| Release | : 2006-04-18 |
| Genre | : Science |
| ISBN | : 3540316299 |
The previous Saas-Fee Advanced Course dedicated to the interstellar medium took place in 1972. The tremendous scientific advances that have occurred in this field since then, in particular owing to the availabihty of receivers working at completely unexplored wavelength bands, fuUy justified a new set of lectures. As a consequence, the members of the Swiss Society for Astrophysics and As tronomy voted that "The Galactic Interstellar Medium" should be the subject of the 1991 course. The 21st Saas Fee Advanced Course took place in Les Diablerets from 18 to 23 March 1991, gathering together about 80 participants from all over the world, but mostly from Europe. According to a rule that has proved to lead to success, but also to chal lenge the lecturers' energy, the format of a Saas-Fee Advanced Course consists traditionally of 28 lectures of 45 minutes which take place in the morning and late afternoon, leaving ample time for discussions, self-study, hiking or skiing. Despite the inordinate work load imposed, this year's lecturers felt that the subject was sufficiently dense to increase the lecture time by 1/3! This proved judicious and left more time for questions and discussions during the lectures.
| Author | : John Edward Dyson |
| Publisher | : Manchester University Press |
| Total Pages | : 404 |
| Release | : 1985 |
| Genre | : Science |
| ISBN | : 9780719010972 |
| Author | : Peter Schneider |
| Publisher | : Springer |
| Total Pages | : 637 |
| Release | : 2014-10-08 |
| Genre | : Science |
| ISBN | : 364254083X |
This second edition has been updated and substantially expanded. Starting with the description of our home galaxy, the Milky Way, this cogently written textbook introduces the reader to the astronomy of galaxies, their structure, active galactic nuclei, evolution and large scale distribution in the Universe. After an extensive and thorough introduction to modern observational and theoretical cosmology, the focus turns to the formation of structures and astronomical objects in the early Universe. The basics of classical astronomy and stellar astrophysics needed for extragalactic astronomy are provided in the appendix. While this book has grown out of introductory university courses on astronomy and astrophysics and includes a set of problems and solutions, it will not only benefit undergraduate students and lecturers; thanks to the comprehensive coverage of the field, even graduate students and researchers specializing in related fields will appreciate it as a valuable reference work.
| Author | : James Binney |
| Publisher | : Princeton University Press |
| Total Pages | : 902 |
| Release | : 2011-10-30 |
| Genre | : Science |
| ISBN | : 1400828724 |
Since it was first published in 1987, Galactic Dynamics has become the most widely used advanced textbook on the structure and dynamics of galaxies and one of the most cited references in astrophysics. Now, in this extensively revised and updated edition, James Binney and Scott Tremaine describe the dramatic recent advances in this subject, making Galactic Dynamics the most authoritative introduction to galactic astrophysics available to advanced undergraduate students, graduate students, and researchers. Every part of the book has been thoroughly overhauled, and many sections have been completely rewritten. Many new topics are covered, including N-body simulation methods, black holes in stellar systems, linear stability and response theory, and galaxy formation in the cosmological context. Binney and Tremaine, two of the world's leading astrophysicists, use the tools of theoretical physics to describe how galaxies and other stellar systems work, succinctly and lucidly explaining theoretical principles and their applications to observational phenomena. They provide readers with an understanding of stellar dynamics at the level needed to reach the frontiers of the subject. This new edition of the classic text is the definitive introduction to the field. ? A complete revision and update of one of the most cited references in astrophysics Provides a comprehensive description of the dynamical structure and evolution of galaxies and other stellar systems Serves as both a graduate textbook and a resource for researchers Includes 20 color illustrations, 205 figures, and more than 200 problems Covers the gravitational N-body problem, hierarchical galaxy formation, galaxy mergers, dark matter, spiral structure, numerical simulations, orbits and chaos, equilibrium and stability of stellar systems, evolution of binary stars and star clusters, and much more Companion volume to Galactic Astronomy, the definitive book on the phenomenology of galaxies and star clusters
