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]