SORINCEZAR COŞOFREŢ
Theory of Gravitation
Editura ELKADOT
Iaşi, 2007
Descrierea CIP a Bibliotecii Naţionale a României 
COŞOFREŢ, SORIN CEZAR Theory of gravitation / Sorin Cezar Coşofreţ.  Iaşi : Elkadot, 2007 Bibliogr. ISBN 9789738840720 531.5:524.8 
ISBN 9789738840720
Editura ELKADOT Iaşi
CONTENTS
Introduction Physical and theoretical framework of the theory of planetary vortexes 
1 

CHAPTER I Motion of planets 
4 

1.1 General equation of motion in theory of planetary vortexes 
4 

1.2 Motion in central forces field 
8 

1.3 Law of forces and field structure in the theory of planetary vortexes 
11 

1.4 Comparison between the Newtonian theory and the theory of planetary vortexes. Perihelion advance 
13 

1.5 Estimated value of constant θ_{S} by measuring the perihelion advance 
16 

1.6 Duration of revolution in the case of periodical motions 
18 

1.7 Perturbed movement of the planets 
21 

1.8 Differential equation of trajectory 
22 

CHAPTER II  Cometary’s motion 
27 

2.1 Fragmentation of comets 
27 

2.2 Formation of cometary’s tails 
30 

2.3 Acceleration of particles in cometary’s tails of type I 
35 

2.4 Formation of meteorites currents 
39 

2.5 Shape of cometary’s orbits 
41 

CHAPTER III – Theory of planetary vortex and other theories of gravitation 
45 

3.1 Photon deviation in a gravitational field 
45 

3.2. Red shifting of spectrum lines in intense gravitational fields 
48 
3.3 Motion in a field with variable G_{0} 
48 
3.4 Equivalence: inert mass – gravitational mass 
49 
CHAPTER IV – Other effects described or foreseen in vortex theory 
53 
4.1 Motion of a particle with variable density in the vortex field 
53 
4.2 Expansion of planets (of the Earth) 
56 
4.3 Reconstruction of ,,old” Earth  Motion in compressible fluids 
60 
4.4. Rotational motion within galaxies 
62 
4.5. Theory of vortex and Solar System formation 
68 
4.6. Persistence and stability of rotation motion in vortex theory 
73 
4.7. Appearance of rotation within cosmic system 
74 
4.8 Anisotropy of cosmic rays 
75 
4.9 Pioneer 10 and 11 acceleration anomaly 
80 
4.10 The Virial Theorem and the Problem of dark matter 
84 
4.11 Motion in vortex rings 
85 
CHAPTER V Mathematical addendum 
87 
5.1 General equation of motion in the theory of planetary vortex 
87 
5.2 Structure of field and motion in a vortex 
90 
5.3 Motion equations in the case of a nucleus vortex 
92 
5.4 Determination of perihelion advance 
95 
5.5 Kelvin's Circulation Theorem 
97 
Bibliography 
101 