INDEX Abul Wefa Acceleration of moon's mean motion. PAGE 31 76 III 77, 82, 87, 88, 89, 110, 149, 157 30 31 18, 20 17 17 174, 175 130 144 79 27,29 Arago. Argelander, F. W. A.. Aristarchus. Aristillus. 140 176 22, 24 Bliss. Bode. Bond, G. P... Bremiker. Brewster, D.. Brinkley. Bruno, G... Burnham, S. W.. Chaldæan astronomy Challis, J..... Chance. Charles II.. Chinese astronomy. Christie, W. M. H. (Ast. Roy.) Chueni. Clairaut, A. C.. Clark, A. G.. Clerke, Miss 112, 171 135, 186 152 II 2 II 2 180 Cowell, P. H.. Crawford, Earl of.. Cromellin, A. C.. Damoiseau.. D'Arrest, H. L.. 18, 30-39, 46, 47, 52, 61, 162 108 4, 6, 81, 105 107 6,81 81 82 42 127, 141 10, 34, 64, 82, 86 82 21 64 Galileo, G... 10 65, 115 III, 114, 115 48, 57-61, 97, 119, 120, 121, 135, 143, 146, 90, 91 57.97 124 112 Halley, E. Halley's comet. PAGE 143 176 112, 113 153 III 129 142 III 23, 64, 74, 77, 78, 80, 99, 152, 155, 159, 163 Heliometer. Heller.. 78,80 108 4,82 127 152 44 162 177, 178, 181 20 17 16 Herschel, W., 82, 86, 123, 136, 140, 144, 145, 147, 149, Hipparchus, 4, 23, 24, 25, 27, 29, 31, 33, 45, 70, 76, 94, 119, 174 Hooke, R.. Horrocks, J.. Howlett.. 64, 140, 143 63,71 127 Huggins, W., 117, 119, 126, 134, 153, 164, 174, 175, 180, |