- Adams, John Couch, 231, 236
- Aërolites, 84
- Size of, 86
- Aldebaran, Movement of, 277
- Alexander at Arbela, 146
- Alpha Centauri, Distance of, 99
- Duration of light journey, 102
- Position, 279
- Alps, Lunar Mountains, 179
- Altai, Lunar Mountains, 179
- Andromeda, Constellation of, 112
- Apennines, Lunar Mountains, 179
- Arago, 235, 402
- Arcturus, Motion of, 114
- Position, 276
- Aristotle, 376
- Asteroids, 53
- Astronomy, The dawn of, 363
- Attraction, 34
- Aurora Borealis, where seen, 141
- Axis of earth slanting, 44
- Barnard, E. E., 53, 410
- Bessel, F. W., 284
- Discovery of star parallax, 324
- Discovers star parallax, 405
- Bolides, 87, 257
- Borelli, 388
- Capella, Duration of light journey, 103
- Velocity of motion, 114
- Caucasian Range, Lunar Mountains, 179
- Carpathian, Lunar Mountains, 179
- Carrington, 141
- Cassini, Measurement of sun’s distance, 310
- Cassiopeia, Constellation of, 112
- Ceres, size of, 53
- Chaldean star-gazers, 365
- Chinese records of eclipses, 365
- Cicero, 177
- Clark, Alvan Graham, 289
- Cloven-disk theory, 331
- Coal sack, 329
- Columbus in Jamaica, 146
- Comet, Biela’s, 90, 93
- Halley’s, 78, 248
- Of 1843, 80
- Newton’s, 78
- With two tails, 77
- Encke’s, 78
- Heat endured by, 81
- Length of tail, 81
- Collision with, 82
- Split in two, 91
- Comets, 73, 240, 246
- Number of, 75
- Nature of, 74
- Captured by Jupiter, 213
- Composition of, 256
- Composition of tails, 253
- Orbits of, 129
- With closed orbits, 76
- Confucius as an astronomer, 365
- Constellations, Grouping, 366
- When named, 366
- Copernicus, Author of “Celestial Spheres,” 177, 183, 370, 371,
375
- Star parallax, 319
- Copernican system of the universe, 175
- Corona, Description of, 153
- D’Alembert, 399
- Dante, 121
- Demos, Satellite of Mars, 191
- Donati’s Comet, 248, 250
- Draco, Constellation of, 112
- Earth, Globular, 17
- How formed, 21
- Member of the Solar System, 14
- In motion, 16
- Motions, 18, 41, 126
- One of a family, 14
- Size of, 26
- What is it? 13
- Ecliptic, 43
- Eclipses omens of evil, 145
- Egyptian astronomers, 365
- Encke, 238
- Epicycles, 373
- Equinox, 44
- Fire-balls, Speed of, 88
- Fabricius discovers sun-spots, 27
- Fraunhofer, Joseph von, 345
- Galle, 232, 238
- Galileo, 28, 276, 371, 376, 378,
380
- Gassendi, 184
- George III, 226
- Gilbert, 388
- Great Bear, Constellation of, 108, 340
- Halley, 388
- Transit of Venus, 314
- Star motions, 318
- Hercules, Constellation of, 112
- Herschel, Caroline, 226, 393
- Herschel, Sir John, 81, 233, 303, 398
- Herschel, William, 96, 119, 225, 271, 393
- Hipparchus, 368, 371
- Hodgson, 141
- Holland, Sir Henry, 237
- Hook, Robert, 388
- Horrocks, 388
- Huggins, Dr., 359
- Humboldt, Alexander von, 265
- Jupiter, 55
- Comparative size, 56
- Distance of, 122
- His satellites, 56, 206, 210
- Velocity, 199
- Wind storms, 204
- Kepler, 75, 296
- Laws of, 371, 374, 380, 388
- Kew Observatory, 141
- Lacaille, Catalogue of, 105
- Lalande, Catalogue of, 105
- Laplace, 385, 398
- Later astronomy, 393
- Leverrier, Urbain J. J., 231, 401
- Discovers Neptune, 321
- Light, Rapidity of, 101
- Time, Duration of, 331
- Lowe at Santander, 147
- Lunar craters, Antiquity of, 172
- How formed, 173
- Plato and Copernicus, 173
- Ptolemy, 174
- Schickard, 174
- Tycho, 174
- Lunar Mountains, How formed, 174
- Lyra, Constellation, 297
- Magellanic clouds, 309
- Magnetism, 140, 141
- Mars, 52, 373, 374
- Moons of, 191
- Continents of, 197
- Distance from earth, 197
- Maury, Lieutenant, 80
- Mercury, Atmosphere, 181
- Distance from sun, 49
- Length of year, 180
- Is it inhabited? 181
- Orbit of, 180
- Phases, 50
- Size of, 49
- Transit of, 184
- Meteor, 84, 257
- Meteorites, 240, 257
- Around the sun, 94
- August system, 90, 242
- In Saturn’s rings, 94
- November system, 90, 94, 241
- Number of, 86
- Protection from, 86
- Shower of 1872, 92
- Shower of 1885, 93
- Milky Way, 270, 329
- Mizar, 342
- Modern Astronomy, 375
- Moon, 62
- Appearance at its full, 63
- Atmosphere, 157, 169
- Phases of, 160
- Condition of, 65
- Craters, 68, 170
- Earth’s satellite, 164
- Earth-shine, 160
- Eclipse, 163
- Influence on tides, 167
- Landscape of, 68
- Mountains, 67
- Orbit of, 166
- Temperature on, 72
- Revolution, 64
- Size of, 64
- Surface, 67
- Nasmyth, 173
- Nebulæ, Number of, 336
- Neptune, 59
- Discovery of, 232, 234
- Distance of, 123
- Length of year, 59
- Newton analyzes light, 385
- Birth and childhood, 382
- Nicetos of Syracuse, 177
- Nicias, Athenian General, 146
- Nicolas, Cardinal, 177
- Observatories, 408
- Orbits, Planetary, 47
- Orion, Constellation of, 112
- Parallax, 311
- Phobos, Satellite of Mars, 191
- Photography, Stellar, 355
- Pius IX, 93
- Pisa, Leaning Tower of, 378
- Plane of the Ecliptic, 201
- Planets, Distance from the sun, 123
- First group, 48
- How formed, 22
- Length of years, 49
- Orbits, 47
- Order of formation, 23
- Second group, 48, 55
- Plutarch, 177
- Pole star, Duration of light journey, 103
- Position, 108
- Rate of motion, 115
- Prism, 344
- Pritchard, C., 356
- Ptolemaic system of the universe, 175, 369
- Ptolemy, 371, 369
- Pythagoras, Grecian astronomer, 367
- Rosse, Lord, Telescope, 406
- Rowton siderite, 258
- Saturn, 57
- Composition of rings, 221
- Distance of, 122
- Distance from sun, 214
- Length of year, 57
- Moons, 217
- Rings, 219
- Satellites, 58
- Size, 214
- Weight, 214
- Shickard, Crater on the moon, 174
- Scheiner, 28
- Secchi, 92
- Shooting stars, 84
- Sirius, Brightness of, 275, 285
- Changing color, 285
- Distance of, 100
- Duration of light journey, 103
- Movement of, 277
- Solar cloud, 148
- Solar System, 60, 122
- Model of, 60
- Spectroscope, 143, 345
- Spectroscopic photography, 360
- Spectrum analysis, 346, 354
- Star clusters, 304, 336
- Parallax, 284, 316
- Spectroscopy, 356
- Stars, Apparent motion, 107
- Attraction, 21
- Distance of, 99, 310, 320
- Distance, 281, 282
- Fixed, Why so called, 20
- Fixed, Why, 366
- Golden, 274
- Magnitude of, 97
- How many visible, 95
- Measurement, 278
- Red, 274
- Variable, 274, 291
- White, 274
- Sun, 24
- Attraction of, 156
- Attraction of gravitation, 34
- Chromatosphere, 32
- Cyclones of 30, 136
- Density, 26
- Destination, 119
- Distance of, 25
- Eclipse of, 143
- Flames, Their height, 31, 151
- Flames, Their velocity, 138
- Forces and influences, 39
- Head of our family, 24
- Magnetic power of, 139
- Its mottled appearance, 142
- Rate of motion, 119
- Penumbra, 133
- Photosphere, 31, 134
- Power of, 39, 137
- Rapidity of motion, 26
- Revolution on axis, 28
- Size, 26, 154
- Solar prominence, 32
- Spots, 27, 30, 133
- Symbol of purity, 380
- Umbra, 133
- Weight, 27, 154
- Swift, Voyage to Laputa, 194
- Telescopes, 378, 379, 405
- Refractors and reflectors, 405, 408, 410
- Tides, 168
- Thales, founder of Grecian Astronomy, 367
- Toucan, 306
- Tycho Brahe, 175, 371, 372, 373
- Universe, Definition of, 19
- Uranus, 58
- Discovery of, 225
- Distance of, 123
- Venus, Orbit of 51
- Is it inhabited? 189
- Distance from earth, 186
- Phases of, 51, 379
- Transits of, 185
- Vesta, Size of, 53
- Voltaire, Prophecy of, 193
- Wilson, 30
- Wollaston, Dr. W. H., 345
- Wren, 388
- Yerkes Observatory, 406
- Young, Chas. A., 142, 148
- Zodiacal Light, 94, 224, 265