Galaxies are large systems of stars, some of which contain interstellar gas and dust. They also contain much invisible matter, which may be in the form of weakly interacting elementary particles. In this introductory textbook, the first chapter introduces the study of galaxies. This is followed by two chapters on observations of galaxies, including our own. There are then three chapters on galactic structure: the manner in which motions of stars determine galactic shape, the determination of galactic masses, and the structure of discs in spirals. Galactic evolution, especially changes in chemical composition over time, is covered. The book concludes with a discussion of the origin of galaxies and their relation to more general questions in cosmology. The book includes mathematical presentation where this enables the discussion to be quantitative.

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Bibliographic Details

Title: Galaxies: Structure and Evolution
Publisher: Cambridge University Press
Publication Date: 1993
Language: English
ISBN 10: 0521367107
ISBN 13: 9780521367103
Binding: Paperback
Condition: Good

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Synopsis

This book is a quantitative introduction to what is known or theorized about the structure and evolution of galactic systems. It begins with a general introduction to galaxies and a summary of our empirical observations of galaxies in the universe, including our own. There are then three chapters on galactic structure: the manner in which motions of stars determine galactic shape, the determination of galactic masses, and the structure of discs in spirals. Galactic evolution, especially changes in chemical composition over time, is then covered. The book concludes with a discussion of the origin of galaxies and their relation to more general questions in cosmology. The presentation is sufficiently mathematical so that quantitative results can be discussed in detail. Throughout, the author stresses what are currently accepted results and what theories may need revision in what continues to be a rapidly developing subject.

Book Description

A quantitative introduction to what is known or theorized about the structure and evolution of galaxies--large systems of stars containing interstellar gas, dust and invisible matter--is sufficiently mathematical so that quantitative results can be discussed in detail.

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