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