Keeler, red spot on Jupiter, [296];
spectroscopic determination of movements in Saturn's rings, [300]
spectrum of Uranus, [304]
of third type stars, [382]
of nebulæ, [402]
photographs of nebulæ, [403] [411] [412] [432]
nebular radial movements, [405] [434] [440]
grating spectroscope, [440]
Kepler, star of 1604[ 25];
solar corona,[ 66]
missing planets,[ 71]
cometary decay,[ 91], [339]
comet of 1618 [ 96]
physical astronomy, [141]
Kiaer, comets' tails, [348]
Kirchhoff, foundation of spectrum analysis, [132] [135]-137 [372];
map of solar spectrum, [137]
solar constitution, [149] [151] [172]
Kirkwood, distribution of minor planets, [286];
grouped orbits, [287]
divisions in Saturn's rings, [301] [302]
origin of planets, [314]
their mode of rotation, [321]
comets and meteors, [333] [339]
Kleiber, Perseid radiants, [341]
Klein, Hyginus N., [267] [268]
Klinkerfues, comet predicted by, [335] [339];
apparitions of Southern comet, [350]
tidal theory of new stars, [397]
Knobel, cloud effects on Mars, [281]
Konkoly, spectrum of γ Cassiopeiæ, [378];
spectroscopic survey, 381 note