Page:A short history of astronomy(1898).djvu/522

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428
General Index

[Roman figures refer to the chapters, Arabic to the articles.]

De Motu (of Newton), ix. 177, 191

De Mundi aetherei (of Tycho), v. 104

De Nova Stella (of Tycho), v. 100

De Revolutionibus (of Coppernicus), ii. 41 n; iv. 74–92; v. 93, 94; vi. 126

De Saturni Luna (of Huygens), viii. 154

Descriptive astronomy, xiii. 272, 273, 294

Deviation error, x. 225 n

Dialogue on the Two Chief Systems (of Galilei), vi. 124 n, 128–132, 133

Differential method of parallax, vi. 129; xii. 263; xiii. 278

Diffraction-grating, xiii. 299

Dione, viii. 160

Dioptrice (of Kepler), vii. 138

Direct motion, i. 14

Disturbing force. See Perturbations

Diurnal method of parallax, xiii. 281, 284

Doctrine of the sphere. See Spherics

Doppler's principle, xiii. 302, 313, 314

Double hour, i. 16

Double-star method of parallax. See Differential method of parallax

Double stars. See Stars, double and multiple

Draconitic month, ii. 40, 43

Durchmusterung, xiii. 280

Dynamics, vi. 133, 134; ix. 179, 180; xi. 230, 232, 237

Dynamique, Traite de (of D'Alembert), xi. 232

Earth, i. 1, 15, 17; ii. 28, 29, 32, 39, 41, 43, 47, 49, 51; iii. 66, 69; iv. 80, 86; vi. 117, 121, 133; vii. 136 n, 144, 145, 150; viii. 153, 154; ix. 173, 174, 179–182, 184, 186, 195; xi. 228, 245; xiii. 285, 287, 292, 293, 297, 320. See also the following headings

Earth, density, mass of, ix. 180, 185, 189; x. 219; xi. 235; xiii. 282, 294

Earth, motion of, ii. 24, 32, 47; iv. 73, 76, 77; v. 96, 97, 105; vi. 121, 125–127, 129–132; viii. 161, 162; ix. 186, 194; xii. 257. See also Earth, revolution of and rotation of

Earth, revolution of, annual motion of, ii. 23, 24, 28 n, 30, 47; iv. 75, 77, 79–82, 85–88, 89, 90, 92; v. 111; vi. 119, 126, 129, 131, 133; vii. 139, 142, 146; viii. 161; ix. 172, 183; x. 207–210, 212, 227; xi. 235, 236, 240; xii. 263; xiii. 278, 282, 283

Earth, rigidity of, xiii. 285, 292

Earth, rotation of, daily motion of, ii. 23, 24, 28 n; iv. 75, 78, 79 n, 80, 84; v. 105; vi. 124, 126, 129, 130; ix. 174, 194; x. 206, 207, 213; xiii. 281, 285, 287, 320

Earth, shape of, ii. 23, 29, 35, 45, 47, 54; iv. 76; viii. 161; ix. 187, 188; x. 196, 213, 215, 220, 221, 222, 223; xi. 229, 231, 237, 248

Earth, size of, ii. 36, 41, 45, 47, 49; iii. 57, 69; iv. 85; vii. 145; viii. 159, 161; ix. 173, 174; x. 221, 222, 223

Earth, zones of, ii. 35, 47

Earthshine, iii. 69

Easter, rule for fixing, ii. 20

Eccentric, ii. 37, 39, 40, 41, 48, 51; iii. 59; iv. 85, 89–91; vii. 139, 150

Eccentricity, ii. 39; iv. 85; vii. 140 n; xi. 228, 236, 240, 244–246, 250; xiii. 294, 318

Eccentricity fund, xi. 245
Eclipses, i. 11, 15, 17; ii. 29, 32,