Author: 朋治·岡
Publisher:
ISBN:
Category :
Languages : en
Pages : 23

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Author: P. M. Solomon
Publisher: Elsevier
ISBN: 1483159868
Category : Science
Languages : en
Pages : 361

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Book Description
Giant Molecular Clouds in the Galaxy: Third Gregynog Astrophysics Workshop covers the proceedings of the 1977 Third Gregynog Astrophysics Workshop on Giant Molecular Clouds (GMC), held at the University of Wales. This book is organized into 11 parts encompassing 33 chapters. After a brief introduction to the significant features of GMC, this book goes on examining radio, millimeter, and galactic center observations of GMC, along with their infrared properties and kinematics. Other parts deal with the water sources in GMC; time variation in interstellar water masers; and the relation of HII regions to molecular clouds. The remaining parts discuss the evolution of interstellar molecular clouds and the role of magnetic fields in the collapse of protostellar gas clouds. These parts also cover the chemistry of interstellar molecules containing nitrogen and the search for other planetary systems. This book will prove useful to cloud scientists, physicists, astronomers, and researchers.

Author: A. G. G. M. Tielens
Publisher: Cambridge University Press
ISBN: 9780521826341
Category : Science
Languages : en
Pages : 520

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Author: David Andrew Grabelsky
Publisher:
ISBN:
Category : Carbon monoxide
Languages : en
Pages : 362

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Author: Hans Olofsson
Publisher:
ISBN:
Category : Astronomical masers
Languages : en
Pages : 220

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Author: Eugene Howard Levy
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1622

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Book Description
Previous Space Science Series volumes Protostars and Planets (1978) and Protostars and Planets II (1985) were among the most timely offerings of this illustrious collection of technical works. Now Protostars and Planets III continues to address fundamental questions concerning the formation of stars and planetary systems in general and of our solar system in particular. Drawing from recent advances in observational, experimental, and theoretical research, it summarizes our current understanding of these processes and addresses major open questions and research issues. Among the more notable subjects covered in the more than three dozen chapters are the collapse of clouds and the formation and evolution of stars and disks; nucleosynthesis and star formation; the occurrence and properties of disks around young stars; T Tauri stars and their accretion disks; gaseous accretion and the formation of the giant planets; comets and the origin of the Solar-System; and the long-term dynamical evolution and stability of the solar system. Protostars and Planets III reflects the enormous progress made in understanding star and planet formation as a result of new observational capabilities and cooperative research among scientists from diverse fields. As new discoveries continue to be made, it will stand as an unparalleled reference for tomorrow's research.

Author: F. Combes
Publisher: Springer Science & Business Media
ISBN: 9780792310969
Category : Science
Languages : en
Pages : 514

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Book Description
Proceedings of the 146th Symposium of the International Astronomical Union, held in Paris, France, June 4-9, 1990

Author: Hugo van Woerden
Publisher: Springer Science & Business Media
ISBN: 9781402025785
Category : Science
Languages : en
Pages : 424

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Book Description
On the occasion of the retirement of Ulrich Schwarz, a symposium was held in Groningen in May of 1996, celebrating his contributions to the study of the int- stellar medium, including his work on the high-velocity clouds. The coming together of many specialists in the latter ?eld prompted the idea of compiling a book c- taining their contributions, and summarizing the status of our understanding of the high-velocity cloud phenomenon. This seemed especially worthwhile at the time, since many exciting developments were taking place. After the discovery of some H i clouds with high velocities, about 40 years ago, the subject had been dominated by 21-cm observations of H i emission. Starting in the mid-1980s much progress was being made because of the availability of new instruments, such as large ground-based optical telescopes and UV observatories in space. The connections between the work on high-velocity clouds and other studies of the properties of the (hot) interstellar medium also became clearer.

Author: Thomas M. Dame
Publisher:
ISBN:
Category : Carbon monoxide
Languages : en
Pages : 284

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Author: International Astronomical Union. Symposium
Publisher: Springer Science & Business Media
ISBN: 9780792350606
Category : Science
Languages : en
Pages : 556

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Book Description
Proceedings of the August 1997 symposium. One hundred and ninety- four contributions present comparative studies on the data of the Milky Way and central regions of nearby galaxies. Included is information on galactic bulges, galactic center star clusters, star formation, starbursts, neutral ISM in the galactic center, molecular gas in the nuclei of galaxies, gas dynamics in the galactic center, the central parsecs of the milky way, magnetic and high-energy phenomena, black holes in galaxies, black hole in the galactic center, and black hole powering of AGN and jets. A sampling of topics: diffraction-limited IR speckle masking observations of the central regions of Seyfert galaxies, the stellar content of the Quintuplet cluster, and the structural characteristics of spiral bulges. Annotation copyrighted by Book News, Inc., Portland, OR