;
extinction in space, 45;
refrangibility changed by movement, 201
Light-equation, 231, 241
Ligondes, development of solar system, 316
Lindsay, Lord, expedition to Mauritius, 234
Line of sight, movements in, 201, 386;
of solar limbs, 202, 203;
in prominences, 204, 208;
of stars, 201, 386, 387;
binaries detected by, 387-391
Listing, dimensions of the globe, 262
Littrow, chromosphere, 70;
sun-spot periodicity, 126
Liveing and Dewar, carbon in the sun, 212
Lockyer, solar spectroscopy, 156, 212;
theory of sun-spots, 159, 163;
daylight observations of prominences, 169, 194, 204, 205;
eclipse of 1870, 171;
slitless spectroscope, 173;
corona of 1878, 175;
glare theory of corona, 182;
eclipse of 1886, 184;
chromospheric spectrum, 195;
classification of prominences, 196;
their radial movements, 204;
celestial dissociation, 206-210;
chemistry of sun-spots, 207;
spots on Mars, 275;
meteoritic hypothesis, 376, 402;
equatoreal Coude, 438
Loewy, constant of aberration, 241, 438;
lunar photographs, 268;
director of Paris Observatory, 414;
equatoreal Coude, 436, 437
Lohrmann, lunar chart, 265;
Linne, 267
Lohse, J. G., spectrum of great comet, 364
Lohse, O., daylight coronal photography, 178 _note_;
spectral investigations, 211;
twilight on Venus, 256;
red spot on Jupiter, 294;
periodicity of Jupiter's markings, 297;
motion of Sirius, 386;
spectrum of Nova Cygni, 393
Louville, nature of corona, 67;
chromosphere, 68
Lowell, rotation of Mercury, 248;
of Venus, 252;
markings on Venus, 255;
observations of Mars, 280, 281;
satellites, 283
Lyman, atmosphere of Venus, 254
McClean, photographs of solar spectrum, 211, 215;
helium stars, 377;
oxygen stars, 384;
equipment of Cape Observatory, 433
Macdonnell, luminous ring round Venus, 254
Maclaurin, eclipse of 1737, 65
Maclear, Admiral, observations during eclipses, 172, 182
Maclear, Sir Thomas, maximum of Eta Carinae, 49;
observation of Halley's comet, 102
Maedler, central sun, 41;
observations
of Venus, 253;
lunar rills, 263;
aspect of Linne, 267;
common proper motions, 426
Magellanic clouds, 47, 422;
spiral character, 425
Magnetism, terrestrial, international observations, 126;
peri
|