Galileo, descriptive astronomy, [2];
double-star method of parallaxes,[ 16]
discovery of sun-spots,[ 52]
solar rotation, [146]
planets and sun-spots, [163]
darkening at sun's edge, [221]
Galle, discovery of Neptune,[ 81],[ 82];
Saturn's dusky ring,[ 86]
distance of the sun, [237]
path of Andromede meteors, [334]
Galloway, solar translation,[ 39]
Gambart, discovery of comet,[ 95]
Gauss, orbits of minor planets,[ 74];
Theoria Motus,[ 77]
magnetic observations, [126] [127]
cometary orbits, [370]
Gautier, sun-spot and magnetic periods, [126] [128];
sun-spots and weather, [129]
German Astronomical Society, [6],[414]
Gill, star-parallaxes,[ 37],[ 42], [416] [417];
expedition to Ascension, [237]
distance of the sun, [237] [238] [240]
constant of aberration, [241]
arc measurements, [261] [262]
comet of 1882 [359] [412]
oxygen-absorption in stars, [384]
photograph of Argo nebula, [404]
Cape Durchmusterung, [412]
photographic celestial survey, [413]
actinic intensity of galactic stars, [425]
Coudé telescope, [438]
Gladstone, J. H., spectrum analysis, [134] [136]
Glaisher, occultation by Halley's comet, [106]