Trowbridge and Hutchins, carbon in sun, [212]
Tschermak, origin of meteorites, [339]
Tupman, transit expedition, [235];
results, [236]
Turner, polariscopic coronal photography, [189];
employment of cœlostat, [190] [438]
stationary radiants, [341]
Ulloa, eclipse of 1778 [ 69]
United States, observatories founded in, [6],7
Uranus, discovery, [5],[ 74], [111];
unexplained disturbances,[ 78],[ 79], [307]
satellites,[ 87], [303]
equatoreal markings, [303] [304]
spectrum, [304] [305]
retrograde rotation, [313] [315] [322]
Valerius, darkening of sun's limb, [221]
Vassenius, description of prominences,[ 68]
Venus, transits, [4],[229] [232];
of 1874 [233]-236
of 1882 [239] [240]
atmosphere, [236] [253] [254]
mountains, [252] [253]
spectrum, [254]
albedo, [255]
ashen light, [255] [256]
pseudo-satellite, [256]
effects upon, of solar tidal friction, [320]