Stars,Alpha Centauri, 208, 330
Groombridge No. 1830, 12, 208, 209, 211
binary, 15
colour problem, 152
Huggins' explanation, 153
the spectroscope, 191
in proof of universal gravitation, 201
actual and apparent propinquity, 201
movements discovered by Herschel, 202
Xi Ursæ Majoris, 202
Star-groups of a million years ago, 12, 15-18, 20
transformation of, 172
Stumpe, Prof., and the movement of the solar system, 24-25
Sun, the, of the coal measures, 17-18
voyage through space, 21-31
the direction of voyage, 21-25
velocity, 21, 26, 28, 30, 31
new method of studying the prominences, 86-87
study of the corona, 87, 92-93
nature of the corona, 164
Schuster's researches, 94
rotation of the photosphere, 93
solar atmosphere, 126
electric connection between the
sun and planets, 164
velocity of sun's rotation determined by spectroscope, 166
researches of Professor Rowland, 168
solar spectrum compared with that of earth at sun-heat, 169
the Nebular Hypothesis, 226-229
theory of a central sun, 231-235
history of the sun, 242
future extinction of the sun, 243, 275
waste of solar heat, 263
the heat problem, 266-272
Helmholtz's theory, 269, 369
terrestrial elements in the sun, 300
Sun, solar explosions, 339, 344
the molecular theory and solar physics, 369
T
Terby, Dr., observations on Mars, 142
Todd, Professor David, and the Eclipse of 1893, 89
U
V
Velocities, critical, 132
on the sun and planets, 314
Venus in remote antiquity, 19
through the telescope, 40, 122-123
compared with Mars, 121
topography of, 123
Vogel and the voyage of the solar system, 30
his spectrum researches, 160
Volcanoes and meteorites, 333
projective energy, 334
force of primeval volcanoes, 335-337, 341
the uniformitarian hypothesis denied, 336
W
the smallest world containing air and water, 134
X
Printed by Sir Isaac Pitman & Sons, Ltd., Bath.
(2191)
