Book contents
- Frontmatter
- EDITOR'S PREFACE
- PREFACE
- Contents
- LIST OF ILLUSTRATIONS
- CHAPTER I BELIEFS AND SUPERSTITIONS RELATIVE TO COMETS
- CHAPTER II COMETARY ASTRONOMY UP TO THE TIME OF NEWTON
- CHAPTER III THE MOTIONS AND ORBITS OF COMETS
- CHAPTER IV PERIODICAL COMETS
- CHAPTER V PERIODICAL COMETS
- CHAPTER VI THE WORLD OF COMETS AND COMETARY SYSTEMS
- CHAPTER VII PHYSICAL AND CHEMICAL CONSTITUTION OF COMETS
- CHAPTER VIII PHYSICAL TRANSFORMATIONS OF COMETS
- CHAPTER IX MASS AND DENSITY OF COMETS
- CHAPTER X THE LIGHT OF COMETS
- CHAPTER XI THEORY OF COMETARY PHENOMENA
- SECTION I WHAT IS A COMET?
- SECTION II CARDAN'S HYPOTHESIS
- SECTION III THEORY OF THE IMPULSION OF THE SOLAR BAYS
- SECTION IV HYPOTHESIS OF AN APPARENT REPULSION
- SECTION V THEORY OF OLBERS AND BESSEL
- SECTION VI THEORY OF COMETARY PHENOMENA
- SECTION VII THE REPULSIVE FORCE A REAL PHYSICAL FORCE
- SECTION VIII THEORY OF THE ACTINIC ACTION OF THE SOLAR RAYS
- SECTION IX COMETS AND THE RESISTANCE OF THE ETHER
- CHAPTER XII COMETS AND SHOOTING STARS
- CHAPTER XIII COMETS AND THE EARTH
- CHAPTER XIV PHYSICAL INFLUENCES OF COMETS
- CHAPTER XV SOME QUESTIONS ABOUT COMETS
- I ELLIPTIC ELEMENTS OF THE RECOGNISED PERIODICAL COMETS OF THE SOLAR SYSTEM
- II GENERAL CATALOGUE OF THE ORBITS OF COMETS
- Plate section
SECTION VII - THE REPULSIVE FORCE A REAL PHYSICAL FORCE
Published online by Cambridge University Press: 05 March 2012
- Frontmatter
- EDITOR'S PREFACE
- PREFACE
- Contents
- LIST OF ILLUSTRATIONS
- CHAPTER I BELIEFS AND SUPERSTITIONS RELATIVE TO COMETS
- CHAPTER II COMETARY ASTRONOMY UP TO THE TIME OF NEWTON
- CHAPTER III THE MOTIONS AND ORBITS OF COMETS
- CHAPTER IV PERIODICAL COMETS
- CHAPTER V PERIODICAL COMETS
- CHAPTER VI THE WORLD OF COMETS AND COMETARY SYSTEMS
- CHAPTER VII PHYSICAL AND CHEMICAL CONSTITUTION OF COMETS
- CHAPTER VIII PHYSICAL TRANSFORMATIONS OF COMETS
- CHAPTER IX MASS AND DENSITY OF COMETS
- CHAPTER X THE LIGHT OF COMETS
- CHAPTER XI THEORY OF COMETARY PHENOMENA
- SECTION I WHAT IS A COMET?
- SECTION II CARDAN'S HYPOTHESIS
- SECTION III THEORY OF THE IMPULSION OF THE SOLAR BAYS
- SECTION IV HYPOTHESIS OF AN APPARENT REPULSION
- SECTION V THEORY OF OLBERS AND BESSEL
- SECTION VI THEORY OF COMETARY PHENOMENA
- SECTION VII THE REPULSIVE FORCE A REAL PHYSICAL FORCE
- SECTION VIII THEORY OF THE ACTINIC ACTION OF THE SOLAR RAYS
- SECTION IX COMETS AND THE RESISTANCE OF THE ETHER
- CHAPTER XII COMETS AND SHOOTING STARS
- CHAPTER XIII COMETS AND THE EARTH
- CHAPTER XIV PHYSICAL INFLUENCES OF COMETS
- CHAPTER XV SOME QUESTIONS ABOUT COMETS
- I ELLIPTIC ELEMENTS OF THE RECOGNISED PERIODICAL COMETS OF THE SOLAR SYSTEM
- II GENERAL CATALOGUE OF THE ORBITS OF COMETS
- Plate section
Summary
Theory of M. Faye–Rigorous definition of the repulsion inherent in the solar rays– Its intensity varies with the surfaces of the two bodies; it decreases inversely as the square of the distance–It is not propagated instantaneously–Discussion and accordance of the facts–Experiments in support of a repulsive force.
It was at the suggestion of M. Faye, as we have seen, that M. Roche introduced into his analytical researches upon cometary phenomena the hypothesis of a repulsive force which has, in fact, led to results more in conformity with what is observed. It should be remarked, however, that M. Roche has considered the matter rather from the point of view of a mathematician than of a physical astronomer; whilst, on the contrary, the physical bearing of the problem has more especially occupied the attention of M. Faye. This astronomer, after passing in review the different theories we have mentioned, and rigorously comparing their conclusions with the facts of recorded observations, in short, after the most exhaustive discussion, has finally decided in favour of an actual repulsive force inherent in the solar rays. This is the base of the theory known as Kepler's theory, and which has been distinguished by the adhesion of Euler and Laplace.
At the time when M. Faye made known his views, two great comets–that of Donati (1858) and that of 1861–had recently appeared.
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- The World of Comets , pp. 389 - 398Publisher: Cambridge University PressPrint publication year: 2010First published in: 1877