Category: Science - Physics
The bases of modern astronomy. Their late formation 18 Instruments and measures used by ancient astronomers 19 Weights and measures sought out by modern astronomers 20 Means employed to discover the density of the earth. Measuring by means of plummets not sufficiently exact 20...
PAGE 83 Analysis of the Nebular Hypothesis. Separation from the nebula of the rings for the separate planets, etc. 84 Excessive heat attributed to the nebula erroneous and impos...
21. CHAPTER III.PAGE 49 Remarks on some of the principal cosmogonies. Ancient notions. 50 The Nebular hypothesis of Laplace. Early opinions on it. Received into favour. Again condemned as erron...
30. CHAPTER VIII.PAGE 142 Inquiry into the Interior Construction of the Earth. What is really known of the exterior or surface. 143 What is known of the interior. 144 Little to be learned from G...
38. part 3, page 10, 5th edition, 1889, and forming Table VII. All that wecan learn from this table is that the boundary between the sun and any one of the stars mentioned in it must be somewhere on a straight line connecting the two, but that does no...
39. CHAPTER XVI.PAGE 282 The sun's neighbours still exercise their attraction over him. 283 Regions of greatest density in the 9 nebulæ dealt with; compared with the orbits of the planets made...
41. CHAPTER XVIII.PAGE 319 Return to the peaks abandoned by the original nebula. An idea of their number. 320 Example of their dimensions. What was made out of them. 321 What could be made from o...
31. CHAPTER IX.PAGE 165 Inquiry into the Interior Construction of the Earth--_continued_. 166 The earth gasiform at one period. Density including the moon may have been 1/10,000th that of air....
33. CHAPTER XI.PAGE 197 The Earth. The idea entertained by some celebrated men, and others. 199 Difficulties of forming a sphere out of a lens-shaped nebula. 200 Various studies of the earth's...
40. CHAPTER XVII.PAGE 301 Former compromises taken up and begun to be fulfilled. 302 Estimates of the heat-power of the sun made only from gravitation hitherto. 303 Contraction and condensation...
35. CHAPTER XIII.PAGE 226 The ether. Its nature considered. Behaves like a gas. 227 Can be pumped out of a receiver. 228 Light and heat do not pass through a tube _in vacuo_. Laboratory experime...
36. CHAPTER XIV.PAGE 244 The ether considered and its nature explained. Further proofs given by Dr. Crookes's work, of its material substance. 246 Highest vacuum yet produced. Absorbents cannot...
18. CHAPTER XVIII.Return to the peaks abandoned by the original nebula. An idea of their number 319 Example of their dimensions. What was made out of them 320 What could be made from one of them...
27. CHAPTER VI.PAGE 108 Analysis continued. Excessive heat of nebula involved condensation only at the surface. Proof that this was Laplace's idea. 109 Noteworthy that some astronomers still b...
20. CHAPTER II.PAGE 33 The moon cannot have even an imaginary rotation on its axis, but is generally believed to have. Quotations to prove this. 35 Proofs that there can be no rotation. The mo...
28. CHAPTER VII.PAGE 126 Analysis continued. No contingent of heat could be imparted to any planet by the parent nebula. 127 Only one degree of heat added to the nebula from the beginning till...
19. CHAPTER I.PAGE 18 The bases of modern astronomy. Their late formation 19 Instruments and measures used by ancient astronomers 20 Weights and measures sought out by modern astronomers 20 M...
32. CHAPTER X.PAGE 184 Inquiry into the interior construction of the earth--_continued_. 185 Density of 8·8 times that of water still too high for the possible compression of the component ma...
34. CHAPTER XII.PAGE 215 Some of the results arising from the sun's being a hollow sphere. 216 Repetition of the effects of condensation on the temperature of the nebula. 217 Ideas called up by...
25. PART III.--RINGS OF SATURN.+-----------------------------+--------------------------+ | | | Rings. | Diameters of Rings | Areas of Rings | | in Miles. | in Square Miles. | ---------+----------------------...
22. CHAPTER IV.PAGE 72 Preliminaries to analysis of the Nebular hypothesis. 73 Definition of the hypothesis. 75 Elements of solar system. Tables of dimensions and masses. 78 Explanation of tab...
37. CHAPTER XV.PAGE 261 Construction of the solar system. Matter out of which it was formed. 262 Domains of the sun out of which the matter was collected. 263 Stars nearest to the sun. Table V...
29. chapter xiii., page 267, entitled "Formation de l'Universe et du MondeSolaire"--an explanation which must have occurred to everyone who has taken the trouble to think seriously, of how nebulous spheres could be formed out of a flat nebulous ring e...
7. CHAPTER VII.Analysis continued. No contingent of heat could be imparted to any planet by the parent nebula 126 Only one degree of heat added to the nebula from the beginning till it had con...
2. CHAPTER II.The moon cannot have even an imaginary rotation on its axis, but is generally believed to have. Quotations to prove this 33 Proofs that there can be no rotation. The most confus...
15. CHAPTER XV.Construction of the solar system. Matter out of which it was formed 261 Domains of the sun out of which the matter was collected 262 Stars nearest to the sun. Table VII. showing...
17. CHAPTER XVII.Former compromises taken up and begun to be fulfilled 301 Estimates of the heat-power of the sun made only from gravitation hitherto 302 Contraction and condensation of a nebula...
24. PART II.--SATELLITES OF PLANETS.+--------------+-------------+-----------------+ | Mean Distance| Equatorial | Volume | Names. | from Primary | Diameter | in Cubic Miles. | | in Miles. | in Miles. | | --------...
12. CHAPTER XII.Some of the results arising from the sun's being a hollow sphere 215 Repetition of the effects of condensation on the temperature of the nebula 216 Ideas called up by the appare...
23. PART I.--SUN AND PLANETS.+-------------+----------+-----------------------+-----------+ |Mean Distance|Equatorial|Volume in Cubic Miles. | Density. | Name. | from Sun |Diameter | |(Water = 1)| | in Mile...
5. CHAPTER V.Analysis of the Nebular Hypothesis. Separation from the nebula of the rings for the separate planets, etc. 83 Excessive heat attributed to the nebula erroneous and impossible 84...
11. CHAPTER XI.The Earth. The idea entertained by some celebrated men, and others 197 Difficulties of forming a sphere out of a lens-shaped nebula 199 Various studies of the earth's interior m...
6. CHAPTER VI.Analysis continued. Excessive heat of nebula involved condensation only at the surface. Proof that this was Laplace's idea 108 Noteworthy that some astronomers still believe in...
16. CHAPTER XVI.The sun's neighbours still exercise their attraction over him 282 Regions of greatest density in the 9 nebulæ dealt with; compared with the orbits of the planets made from them...
14. CHAPTER XIV.The ether considered and its nature explained. Further proofs given by Dr. Crookes's work, of its material substance 244 Highest vacuum yet produced. Absorbents cannot absorb th...
1. CHAPTER I.The bases of modern astronomy. Their late formation 18 Instruments and measures used by ancient astronomers 19 Weights and measures sought out by modern astronomers 20 Means emp...
13. CHAPTER XIII.The ether. Its nature considered. Behaves like a gas 226 Can be pumped out of a receive 227 Light and heat do not pass through a tube _in vacuo_. Laboratory experiments examined...
8. CHAPTER VIII.Inquiry into the Interior Construction of the Earth. What is really known of the exterior or surface 142 What is known of the interior 143 Little to be learned from Geology, whi...
10. CHAPTER X.Inquiry into the interior construction of the Earth--_continued_ 184 Density of 8·8 times that of water still too high for the possible compression of the component matter of th...
9. CHAPTER IX.Inquiry into the Interior Construction of the Earth--_continued_ 165 The earth gasiform at one period. Density including the moon may have been 1/10,000th that of air. Must have...
4. CHAPTER IV.Preliminaries to analysis of the Nebular hypothesis 72 Definition of the hypothesis 73 Elements of solar system. Tables of dimensions and masses 75 Explanation of tables and den...
3. CHAPTER III.Remarks on some of the principal cosmogonies. Ancient notions 49 The Nebular hypothesis of Laplace. Early opinions on it. Received into favour. Again condemned as erroneous 50 D...