" | " |
|Sydney | " | " |
|Tacubaya (Mexico) | " | " |
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INDEX

Abbe, Cleveland, corona of 1878, 176, 177

Aberdour, Lord, solar chromosphere, 68

Aberration, discovered by Bradley, 3, 15;
cause of, 31, 231;
investigations of, 241, 438

Abney, daylight coronal photographs, 179;
infra-red photography, 210, 223, 438

Absorption, terrestrial atmospheric, 134, 211, 214-216, 225;
solar, 134-136, 172, 213, 221, 222, 225, 277;
correlative with emission, 135, 136, 140

Adams, discovery of Neptune, 79-82;
lunar acceleration, 271;
orbit of November meteors, 331

Aerolites, falls of, 339, 340

Airy, solar translation, 39;
observations during eclipses, 62, 64, 70;
Astronomer-Royal, 79;
search for Neptune, 80, 81;
corona of 1851, 175;
solar parallax, 227, 236;
transit of Venus, 233;
Mercurian halo, 235;
lunar atmosphere, 264

Aitken, double star discoveries, 419

Albedo, of Mercury, 246;
of Venus, 255;
of Mars, 283;
of minor planets, 288;
of Jupiter, 290;
of Saturn, 303;
of Uranus, 304

Alexander, spiral nebulae, 118;
observation during eclipse, 245

Algol, variability of light, 10, 390;
eclipses, 390;
nature of system, 391

Altitude and azimuth instrument, 120 _note_, 121

Amici, comet of 1843, 103

Anderson, discovery of Nova Aurigae, 396;
of Nova Persei, 400

Andrews, conditions of liquefaction, 151

Angstrom, C. J., _Optical Researches_, 138;
spark spectrum, 139;
nature of photosphere, 152;
solar spectroscopy, 210, 212;
hydrogen in sun, 211;
temperature of stars, 375

Angstrom, K., infra-red solar spectrum, 210;
solar constant, 225

Arago, eclipse of 1842, 62, 64, 65;
prominences, 69;
polarization in comets, 103;
magnetic relations of aurorae, 130;
nature of photosphere, 151;
meteor-systems, 329

Arai, photographs of corona of 1887, 185

Arcturus, spectrum, 373, 383;
radial movement, 387

Argelander, Bonn Durchmusterung, 32, 423;
solar motion, 39;
centre of Milky Way, 40;
comet of 1811, 100

Aristotle, description of a comet, 350

Arrhenius, light-pressure theory of comets, 348

Asten, movements of Encke'