Extreme Stars（I***N=9780521402620） pdf 免费 地址 txt lrf 下载 kindle umd

　　Over the past 200 years, our knowledge of stars has expanded

enormously. From seeing myriad dots of different brightnesses, we

moved on to measure distances, temperatures, sizes, chemical

compositi***, even ages, finding stars that dwarf our Sun and are

dwarfed by it, some in their youth, others ancient. First published

in 2001, Extreme Stars describes the lives of stars from a

fascinating perspective. It examines their amazing extremes and

results in an engaging overview of stellar evolution, suitable for

anyone interested in viewing or studying stars. Ten chapters,

generously illustrated throughout, explain the natures of the

brightest, the largest, the ***test, the youngest, and so on,

ending with a selection of the strangest stars the Universe has to

offer. Taken as a w***, the chapters show how stars develop and

die and how each extreme turns into another under the inexorable

twin forces of time and gravity.

· An interesting approach to explaining stellar evolution, both

understandable and engaging · Dem***trates, with words and

beautiful images, the amazing natures of stars at the limits of

their existence · Explains the grand progression of stellar forms

from one extreme to another

Preface

Prologue

1. Sun and stars

2. The faintest (and coolest) stars

3. The coolest stars … continued

4. The ***test stars

5. The brightest stars

6. The largest stars

7. The smallest stars

8. The youngest stars

9. The oldest stars

10. The strangest stars

Index

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书籍介绍

Over the past 200 years, our knowledge of stars has expanded enormously. From seeing myriad dots of different brightnesses, we haved moved on to measure their distances, temperatures, sizes, chemical compositi***, and even ages, finding both young and ancient stars that dwarf our Sun and are dwarfed by it. Unique in its approach, Extreme Stars describes the lives of stars from a new perspective by examining their amazing features. The result is a refreshing, up-to-date, and engaging overview of stellar evolution, suitable for everyone interested in viewing or studying the stars. Ten chapters, generously illustrated throughout, explain the natures of the brightest, the largest, the ***test, and the youngest, among other kinds of stars, ending with a selection of the strangest stars the Universe has to offer. Extreme Stars shows how stars develop and die and how each extreme turns into another under the inexorable twin forces of time and gravity. James B. Kaler is Professor of Astronomy at the University of Illinois, Champaign-Urbana. He has held Fulbright and Guggenheim Fellowships, has been awarded medals for his work from the University of Liège in Belgium and the University of Mexico, and most recently was selected to give the Armand Spitz lecture by the Great Lakes Planetarium Association. His research area, in which he has published over 100 papers, involves dying stars. Kaler has also written for a variety of popular magazines, including Astronomy, Sky & Telescope, and Scientific American. His previous books include The Ever-Changing Sky (Cambridge, 1996), Stars and their Spectra (Cambridge, 1997), Cosmic Clouds (Scientific American Library Paperback, 1998), and The Little Book of Stars (Copernicus, 2000). He is a current member of the Board of Directors of the Astronomical Society of the Pacific and is a frequent guest on radio and television shows.