n colour, 438

Stars, elliptic movement of, 506;
gravitation and, 149;
how distinguished from planets, 111;
physical nature of, 477;
probability of their possessing a planetary system, 121;
real and apparent movements of, 504;
really suns, 32, 121

Stars, shooting, attractions of the planets, 386;
connection with comets, 388-390;
countless in number, 372;
dimensions of shoal, 377;
features of, 373;
length of orbit, 387;
orbit, 378;
orbit, gradual change, 386;
period of revolution, 384;
periodic return, 378, 379;
shower of November, 1866, 377, 379-380;
shower of November, 1866, and Professor Adams, 384, 386;
shower of November, 1866, radiation of tracks from Leo, 380;
shower of November, 1872, 389;
showers, 376;
showers and Professor Newton, 377;
track, 377;
transformed into vapour by friction with the Earth's
atmosphere, 374, 376;
velocity, 373, 386

Stars, spectra of, 479;
teaching of ancients respecting, 3;
temperature of, 515;
temporary, 430, 488;
values of velocity of, 484;
variable, 429

Stoney, Dr. G.J., 387

Strontium, flame from, 46;
in the Sun, 50

Struve, Otto, and the distance of Vega, 442, 447;
and the distance of 61 Cygni, 448, 449

Sun, The, and the velocity of light, 265;
apparent size of, as seen from the planets, 117, 118;
as a star, 32;
axial rotation of, 558;
compared with the Earth, 29;
connection of, with the seasons, 4;
corona of, during eclipse, 62-64;
density of, 65, 558;
diameter of, 558;
distance of, from Mars, 213;
distance of, from Saturn, 271;
distance of, from the Earth, 31, 114, 184, 240, 558;
eclipse of, 6, 53;
ellipticity of, 558;
faculae on surface of, 37;
focus of planets' orbits, 138;
gradually parting with its heat, 95;
granules on surface of, 34;
heat of, and its sources, 515-526;
heat of, thrown on Jupiter, 256;
minor planets and, 240;
movement of, towards Lyra, 457;
nebular theory of its heat, 526;
photographed, 34;
precession of the Earth's axis, 497;
prominences of, 53-59;
relation of, to the Moon, 71;
rising and setting of, 2;
rotation of, 40, 201;
size of, 29;
spectrum of, 48;
spots on, 36-43;
spots, connection with magnetism, 42;
storms and convulsions on, 42, 43;
surface of, gaseous matter, 34;
surface of, mottled, 34;
teaching of early astronomers concerning, 3-7;
temperature of, 30, 31, 516