Part 23

Orion, 123.

Pallas, planetoid, 251.

Phecda, star in Great Dipper, 104.

Phobos, satellite of Mars, 180–181, 202.

Phœbe, satellite of Saturn, 222–223.

Pisces, constellation in zodiac, 76–77, 90–92, 160, 187, 212, 242.

Pleiades, 79–80, 153, 188, 210.

Præsepe, or the Bee-hive, 82, 211–212.

Regulus, star in the constellation of Leo, 83–84, 188, 212.

Rhea, satellite of Saturn, 222–223.

Sagittarius, constellation of zodiac, 76, 87–88, 91–92, 186, 189, 209, 212, 229.

Saturn, rings and moons of, 12, 218–223; distance from sun, 13, 19; attraction between Jupiter and, 15, 185; size and importance, 20; object-lesson from, 29; long known, 38; superior and outer planet, 41–42; influence on comets, 44; length of year on, 47; movement, 65; distance from ecliptic, 72; satellites, 106; color, 206, 209, 259; as evening star, 207; slight motion, 208; circuit of skies, 209–213; size and distance, 213–215; surface aspects, 215–216; day and night, 217–218; seasons, 224; symbol, 224; Bode’s law and, 245–246; how to recognize, 260–264.

Schiaparelli, 174–175.

Scorpio, constellation of zodiac, 76, 85–88, 91–92, 127, 153, 186, 188, 212–213.

Sidereal year, 49–50.

Sirius, the dog-star, 123.

Spica, 84–85, 188.

Sun, controls planets, 14, 17; distance from earth, 18; center of planet system, 27; probable formation of, 36; once called planet, 39; situation in orbit, 52; vernal equinox, 76; relation to Mercury, 111–118; relation to Mars, 166–167; relation to Jupiter, 183–185.

Superior planets, 41, 65–70.

Symbols in almanacs, 267.

Synodic year, 50, 52.

Taurus, constellation in zodiac, 76, 79–80, 90–92, 188, 210, 212, 242.

Tethys, satellite of Saturn, 222.

Themis, satellite of Saturn, 222–223.

Titan, satellite of Saturn, 222–223.

Titania, satellite of Uranus, 232.

Triangulum, 78.

Umbriel, satellite of Uranus, 232–233.