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Magnetic Fields of Galaxies (1988)

Magnetic Fields of Galaxies

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"Magnetic Fields of Galaxies" by A.A. Ruzmaikin, D.D. Sokoloff, A.M. Shukurov is a astronomy book and space science reference focused on Deep Sky & Solar System. Best for students, researchers, and serious astronomy enthusiasts.

Magnetism, when extended beyond normal frameworks into cosmic space is characterized by an enormous spatial scale. Because of their large sizes the nature of magnets such as the Earth and the Sun is entirely different from the nature of a horseshoe magnet. The source of cosmic magnetism is associated with the hydrodynamic motions of a highly conductive medium. In this aspect, cosmic magnets resemble a dynamo. However, currents in the dynamo flow along properly ordered wires, while chaotic, turbulent motions are dominant inside stars and liquid planetary cores. This makes more intriguing and surprising the fact that these motions maintain a regular magnetic field. Maintenance of magnetic fields is even more impressive in huge magnets, i.e. galaxies. In fact, we are living inside a giant dynamo machine, the Milky Way galaxy. Although the idea of the global magnetic field of our Galaxy was clearly proposed almost 40 years ago, firm observational evidence and definite theoretical concepts of galactic magnetism have been developed only in the last decade. This book is the first attempt at a full and consistent presentation of this problem. We discuss both theoretical views on the origin of galactic magnetism and the methods of observational study. Previous discussions were on the level of review articles or separate chapters in monographs devoted to cosmic magnetic fields (see, e.g., H. K. Moffatt, 1978, E. N. Parker, 1979 and Zeldovich et aI., 1983).

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Best For: Students and researchers interested in astrophysics and cosmic magnetism
Focus: The nature and origin of magnetic fields in galaxies, emphasizing their large spatial scale and dynamo-like behavior
Covers: The differences between cosmic magnetism and terrestrial magnets, and the role of hydrodynamic motions in generating galactic magnetic fields
Why It Matters: Understanding galactic magnetic fields is crucial for comprehending the physical processes shaping galaxies and cosmic structures

"Magnetic Fields of Galaxies" by A.A. Ruzmaikin, D.D. Sokoloff, A.M. Shukurov is a astronomy book and space science reference focused on Deep Sky & Solar System. Best for students, researchers, and serious astronomy enthusiasts.

Topic: Deep Sky & Solar System

Author: A.A. Ruzmaikin, D.D. Sokoloff, A.M. Shukurov

Who this is for:

  • Astronomy students
  • Researchers and advanced hobbyists
  • Readers exploring space science topics

Why this book matters: It matters because it helps readers build a stronger understanding of astronomy concepts, observations, and scientific ideas related to space.

Magnetism, when extended beyond normal frameworks into cosmic space is characterized by an enormous spatial scale. Because of their large sizes the nature of magnets such as the Earth and the Sun is entirely different from the nature of a horseshoe magnet. The source of cosmic magnetism is associated with the hydrodynamic motions of a highly conductive medium. In this aspect, cosmic magnets resemble a dynamo. However, currents in the dynamo flow along properly ordered wires, while chaotic, turbulent motions are dominant inside stars and liquid planetary cores. This makes more intriguing and surprising the fact that these motions maintain a regular magnetic field. Maintenance of magnetic fields is even more impressive in huge magnets, i.e. galaxies. In fact, we are living inside a giant dynamo machine, the Milky Way galaxy. Although the idea of the global magnetic field of our Galaxy was clearly proposed almost 40 years ago, firm observational evidence and definite theoretical concepts of galactic magnetism have been developed only in the last decade. This book is the first attempt at a full and consistent presentation of this problem. We discuss both theoretical views on the origin of galactic magnetism and the methods of observational study. Previous discussions were on the level of review articles or separate chapters in monographs devoted to cosmic magnetic fields (see, e.g., H. K. Moffatt, 1978, E. N. Parker, 1979 and Zeldovich et aI., 1983).

AuthorA.A. Ruzmaikin, D.D. Sokoloff, A.M. Shukurov
PublisherSpringer Science & Business Media
Published1988-05-31
ISBN-139789027724502
BindingHardcover
Pages334
LanguageEnglish
SubjectsScience
TopicDeep Sky & Solar System
SeriesAstrophysics and Space Science Library

Format: Hardcover

Length: 334 pages

Language: English

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