Advances in Astronomy and Astrophysics

Advances in Astronomy and Astrophysics

1st Edition - January 1, 1967

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  • Editor: Zdeněk Kopal
  • eBook ISBN: 9781483224268

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Description

Advances in Astronomy and Astrophysics, Volume 5 is a collection of papers that deals with the Zodiacal light, three dimensional periodic oscillations, the secular variation of mass, and the evolution of binary systems. Some papers discuss the periodicity of the sunspot groups, as well as compact and dispersed cosmic matter. One paper notes that the brightness of the zodiacal light continues to increase right up to the limb of the Sun, where it merges with parts of the solar corona. Another paper discusses analytically and numerically the three families of three-dimensional motions where the members of each family pass very close to one of three equilibrium points. One paper describes the loss of mass in the Sun as being (1) caused by electromagnetic or corpuscular radiation that occurs at a slow rate, or (2) by an explosion of a nova or supernova. One paper examines the periodicity of solar activities, the physical conditions of sunspots, chromospheric flares, prominence, and magnetic fields. The paper notes that different periodicity laws govern the formation frequency and importance of spot groups. The behavior of spot groups also depends on the periodicity process of solar activity. The collection can prove valuable for astro-physicists, astronomers, geochemists, and mathematicians whose works involve cosmology and astronomy.

Table of Contents


  • Contributors to Volume 5

    Contents of Previous Volume

    The Zodiacal Light

    I. Introduction

    II. The Zodiacal Light

    III. The Solar Corona

    IV. Scattering by Dust Particles and the Interpretation of Coronal and Zodiacal Light Observations

    V. Concluding Remarks

    References

    Three-Dimensional Periodic Oscillations About L1, L2 and L3

    I. Introduction

    II. Equations—General Properties

    III. Analytical Treatment

    IV. Numerical Treatment

    V. Stability of First Order

    VI. Presentation of the Results

    VII. Appendix

    References

    Secular Variation of Mass and the Evolution of Binary Systems

    I. Introduction

    II. General Equations of Motion of a Body with Variable Mass

    III. Analytic Solutions for the Case of Isotropically Decreasing Mass

    IV. Interaction Between the Ejected Mass and the Two Stars

    V. High Rates of Mass Ejection

    VI. Motion around an Attracting Center of Variable Mass, Surrounded by a Resisting Medium

    VII. Secular Increase in Mass

    VIII. Conclusions

    References

    The Periodicity of the Sunspot Groups

    I. Introduction

    II. Resolution of the Wolf Number and the Spotted Area into Primary Parameters

    III. Methods of Determining the Number of Spot Groups Formed and Their Importance Characteristics

    IV. Time Behavior of the Number of Spot Groups Formed and Their Average Importance

    V. Formation Frequency of Spot Groups and Their Importance in Dependence on Heliographie Latitude

    VI. General Conclusions

    References

    Compact and Dispersed Cosmic Matter, Part I

    I. Periods of Progress in the Twentieth Century

    II. The Morphological Approach to Discovery, Invention, and Research in Astronomy

    III. Specific Vistas Achieved through the Morphological Approach

    IV. Observational Discoveries Made as a Result of the Morphological Approach

    References

    Author Index

    Subject Index

Product details

  • No. of pages: 368
  • Language: English
  • Copyright: © Academic Press 1967
  • Published: January 1, 1967
  • Imprint: Academic Press
  • eBook ISBN: 9781483224268

About the Editor

Zdeněk Kopal

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