This page has been validated.
Contents
xxv
PAGE
| § 277. | Bessel : his improvement in methods of reduction : his table of refraction : the Fundamenta Nova and Tabulae Regiomontanae |
359 |
| § 278. | The parallax of 61 Cygni : its distance |
360 |
| § 279. | Henderson's parallax of α Centauri and Struve's of Vega : later parallax determinations |
362 |
| § 280. | Star catalogues : the photographic chart |
362 |
| §§ 281-4. | The distance of the sun : transits of Venus : observations of Mars and of the minor planets in opposition : diurnal method : gravitational methods, lunar and planetary : methods based on the velocity of light : summary of results |
363 |
| § 285. | Variation in latitude : rigidity of the earth |
367 |
| § 286. | Gravitational Astronomy. Lunar theory : Damoiseau, Poisson, Pontécoulant, Lubbock, Hansen, Delaunay, Professor Newcomb, Adams, Dr. Hill |
367 |
| § 287. | Secular acceleration of the moon's mean motion : Adams's correction of Laplace : Delaunay's explanation by means of tidal friction |
369 |
| § 288. | Planetary theory : Leverrier, Gyldén, M. Poincare |
370 |
| § 289. | The discovery of Neptune by Leverrier and Dr. Galle : Adams's work |
371 |
| § 290. | Lunar and planetary tables : outstanding discrepancies between theory and observation |
372 |
| § 291. | Cometary orbits : return of Halley's comet in 1835 : Encke's and other periodic comets |
372 |
| § 292. | Theory of tides : analysis of tidal observations by Lubbock, Whewell, Lord Kelvin, and Professor Darwin : bodily tides in the earth and its rigidity |
373 |
| § 293. | The stability of the solar system |
374 |
| § 294. | Descriptive Astronomy. Discovery of the minor planets or asteroids : their number, distribution, and size |
376 |
| § 295. | Discoveries of satellites of Neptune, Saturn, Uranus, Mars, and Jupiter, and of the crape ring of Saturn |
380 |
| § 296. | The surface of the moon : rills : the lunar atmosphere |
382 |
