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Advances in Astronomy and Astrophysics

1st Edition - January 1, 1963

Editor: Zdeněk Kopal

eBook ISBN:

9 7 8 - 1 - 4 8 3 2 - 2 4 2 3 - 7

Advances in Astronomy and Astrophysics, Volume 2 brings together numerous research works on different aspects of astronomy and astrophysics. This volume is composed of six… Read more

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Advances in Astronomy and Astrophysics, Volume 2 brings together numerous research works on different aspects of astronomy and astrophysics. This volume is composed of six chapters and begins with a summary of observational record on twilight extensions of the Venus cusps. The next chapter deals with the common and related properties of binary stars, with emphasis on the evaluation of their cataclysmic variables. Cataclysmic variables refer to an object in one of three classes: dwarf nova, nova, or supernova. These topics are followed by discussions on the eclipse phenomena and the eclipses in the domain of the radio waves and of the artificial satellites. A chapter discusses the discovery, colors, spectra, motions, luminosities, and frequency in space of white dwarf stars. The concluding chapters examine the occurrence and capture of stray bodies in the solar system and the existence of Magellanic clouds. This book will prove useful to astronomers and astrophysicists.

Contributors to Volume 2

Contents of Volume 1

The Twilight Zone of Venus

I. Introduction

II. Twilight Extensions of the Venus Cusps: Observational Record

III. Color in the Twilight Cusp Extensions

IV. Interpretation of the Brightness Distribution along the Cusp Extension

V. Horizontal Refraction across the Twilight Zone at Solar Transit

VI. Twilight Phenomena and the General Circulation of the Venus Atmosphere

VII. Relation of the Venus Ultraviolet Clouds to the Twilight Phenomena

VIII. Discrepancy between the Observed and Theoretical Times of Dichotomy

IX. Observational Methods and Aids

References

Cataclysmic Variables as Binary Stars

I. Introduction

II. Examples of Well-Known Binaries in Groups (1) and (2)

III. Some Common and Related Properties of the Systems Discussed in Section II

IV. The Search for New Binaries among U Geminorum Stars and Novae

References

Eclipse Phenomena

I. General Relations

II. Eclipses of the Moon

III. Eclipses of the Artificial and Other Satellites

References

White Dwarfs

I. Introduction

II. Historical

III. Discovery

IV. Magnitudes, Colors, Spectra

V. Spectra

VI. Motions

VII. Luminosities

VIII. Masses

IX. Red Shift

X. Frequency in Space

XI. White Dwarfs in Clusters

XII. Individually Interesting Stars

XIII. Conclusions and Suggestions for Future Work

References

The Stray Bodies in the Solar System Part I. Survival of Cometary Nuclei and the Asteroids

I. Introduction

II. Survival in Encounters

III. Dynamical Probabilities of Elimination for Comets and Related Objects

IV. Genetic Relationships of Comets and Asteroids

V. Capture of Comets into Terrestrial Space and Statistical Balance with Apollo Group

References

Recent Developments in Studies of the Magellanic Clouds

I. Introduction

II. Form, Brightness, and Distance of the Clouds

III. Nebulae and Clusters

IV. Variable Stars

V. General Stellar Content

VI. Dynamics of the Clouds

VII. Conclusions

References

Author Index

Subject Index