INDEX
- Agassiz, Alexander, on deep-sea animals, [63].
- Asteroids, the, [16], [129].
- brightness of, [130].
- imaginary adventures on, [146].
- life on, [144].
- number of, known, [129].
- orbits of, [132].
- origin of, [138], [143].
- size of, [129].
- Aristarchus, lunar crater, [226].
- Atmosphere, importance of, [20].
- Bailey, Solon I., on oppositions of Eros, [134].
- Barnard, E.E., discovers fifth satellite of Jupiter, [181].
- measures asteroids, [129].
- on Saturn's rings, [205].
- Belopolski, on rotation of Venus, [79].
- Ceres, an asteroid, [129], [130].
- Clefts in the moon, [226].
- Copernicus, lunar crater, [223], [242].
- Darwin, George H., on Jupiter and Saturn, [206].
- on origin of moon, [235].
- theory of tidal friction, [32].
- Davy, Sir Humphry, on Saturn, [190].
- Dawes sees canals on Mars, [93].
- Deimos, satellite of Mars, [125].
- Denning, W.F., description of Jupiter, [175].
- De Vico on rotation of Venus, [76].
- Dewar, James, discovers free hydrogen in air, [232].
- De Witt discovers Eros, [133].
- Dick, Thomas, on Saturn, [201].
- Douglass, A.E., sees Mars's canals, [92].
- sees clouds in Mars, [119].
- Doppler's principle, [79], [200].
- Earth and moon's orbit, [217].
- birth of moon from, [236].
- change of distance from sun, [27].
- less advanced than Mars, [89].
- older than Venus, [58].
- seen from Mercury, [41].
- seen from Venus, [69]-71, [75].
- seen from moon, [214].
- Earth, similarity to Venus, [46].
- supposed signals to and from Mars, [110].
- Elger, T.G., on cracks in moon, [227].
- on Tycho's rays, [246].
- Ephemeris, how to use, [260], [264].
- Eros, an asteroid, [131]-134, [136], [137].
- Flammarion, C., observes Venus's atmosphere, [56].
- on plurality of worlds, [8].
- Forbes, Prof. George, on ultra-Neptunian planet, [210].
- Galileo on lunar world, [215].
- Gravity, as affecting life on planets, [20], [46].
- Hall, Asaph, discovers Mars's moons, [90].
- Herodotus, lunar crater, [227].
- Herschel, Sir John, on Saturn, [185].
- Holden, E.S., on photograph of lunar crater, [242].
- Huggins on Mercury's atmosphere, [21].
- Inhabitants of foreign planets, [1], [4], [5].
- Interplanetary communication, [1], [3], [72], [110], [112].
- Juno, an asteroid, [129].
- Jupiter, cloudy aspect of, [165].
- density of, [162].
- distance of, [161].
- equatorial belts on, [165].
- future of, [180].
- gravity on, [162].
- great red spot on, [169].
- markings outside the belts, [168].
- and the nebular theory, [178].
- once a companion star, [179].
- polar compression of, [161].
- possibly yet incandescent, [177].
- question of a denser core, [176].
- resemblance of, to sun, [174].
- rotation of, [161], [173].
- satellites of, [166], [181].
- seen from satellites, [182].
- size of, [160].
- solar light and heat on, [182].
- south belt of, [172].
- surface conditions of, [163].
- theories about the red spot, [170].
- trade-winds and the belts of, [167].
- various rates of rotation of, [173].
- visibility of rotation of, [166].
- Keeler, J.E., on Saturn's rings, [200].
- Kepler, lunar crater, [223].
- Kinetic theory of gases, [116].
- Kirkwood, Daniel, on asteroids, [131].
- Lagrange on Olbers's theory, [139].
- Lick Observatory and Mars's canals, [92].
- Life, a planetary phenomenon, [10].
- in sea depths, [62].
- on planets, [62], [63].
- prime requisites of, [64].
- resisting extreme cold, [123].
- universality of, [9].
- Loewy and Puiseux, on lunar atmosphere, [248].
- on lunar "seas," [234].
- Lowell, Percival, description of Mars, [108].
- on markings of Venus, [60].
- on Mercury's rotation, [33].
- on rotation of Venus, [77].
- sees Mars's canals, [92].
- theory of Martian canals, [101].
- Lucian, on appearance of earth from moon, [213].
- Lyman, C.S., observes Venus's atmosphere, [55].
- Mars, age of, [89].
- atmosphere of, [86], [115], [117].
- bands of life on, [104].
- canals on, [90].
- described by Schiaparelli, [93].
- gemination of, [91], [105].
- have builders of, disappeared? [107].
- and irrigation, [101].
- and lines of vegetation, [102].
- and seasonal changes, [99].
- and water circulation, [100].
- carbon dioxide on, [118].
- circular spots or "oases" on, [103].
- colors of, [89].
- dimensions of, [86].
- distance of, [85], [86].
- enigmatical lights on, [111].
- gravity on, [86].
- inclination of axis, [86].
- length of year, [86].
- Lowell's theory of, [101].
- light and heat on, [85].
- moonlight on, [128].
- orbit of, [85].
- polar caps of, [87], [118].
- possible size of inhabitants, [106].
- satellites of, [90], [124], [126].
- seasons on, [87].
- supposed signals from, [110], [112].
- temperature of, [120], [122].
- water vapor on, [117].
- Mercury, atmosphere of, [21], [28], [43], [44].
- day and night on, [34], [38], [40].
- dimensions, [18].
- earth seen from, [41].
- habitability of, [33], [40], [44].
- heavens seen from, [41], [42].
- heat and light on, [25], [28].
- holds place of honor, [19].
- length of year, [24].
- mass of, [19].
- moon visible from, [41].
- resemblances to moon, [43].
- rotation of, [30].
- shape of orbit, [23].
- sun as seen from, [37].
- velocity in orbit, [23].
- Venus seen from, [41].
- virtual fall toward sun, [24].
- visibility of, [21].
- water on, [43].
- Moon, the area of surface, [219].
- atmosphere of, [7], [215], [231], [247], [248].
- clouds on, [6], [245].
- constitution of, [236].
- craters, [221].
- day and night on, [254].
- distance of, [212], [215].
- density of, [219].
- former cataclysm on, [237].
- former life on, [241], [243].
- giantism on, [228], [229].
- gravity on, [219], [228], [229].
- libration of, [249].
- meteorites and, [230].
- mountains on, [220].
- the older world in, [242].
- origin of, [235].
- phases and motions of, [250].
- rotation of, [249].
- seas of, [234].
- size of, [218].
- snow on, [246].
- speculation about, [212].
- temperature of, [255].
- vegetation on, [6], [244], [247].
- visibility of features of, [213].
- Nasmyth and Carpenter on lunar craters, [224].
- Neptune, description of, [208]-210.
- Newcomb, Simon, on Olbers's theory, [141].
- Newton, lunar crater, [222].
- Olbers's theory of planetary explosion, [138].
- on Vesta's light, [138].
- Pallas, an asteroid, [129].
- Perrotin sees canals on Mars, [92].
- Phobos, satellite of Mars, [125].
- Pickering, E.C., discovers ninth moon of Saturn, [195].
- finds Eros on Harvard plates, [133].
- on shape of Eros, [136].
- on light of Eros, [137].
- Pickering, W.H., on lunar atmosphere, [247].
- observes changes in moon, [244].
- sees Mars's canals, [92].
- theory of Tycho's rays, [246].
- on Venus's atmosphere, [54].
- Planets, classification of, [15].
- how to find, [256], [273].
- resemblances among, [12].
- Plato, lunar ring plain, [225].
- Plurality of worlds in literature, [2].
- subject ignored, [8].
- Proctor, R.A., on Jupiter's moons, [180].
- on other worlds, [8].
- Roche's limit, [201].
- Rosse, Lord, on temperature of moon, [255].
- Saturn, age of, [189].
- composition of, [190].
- density of, [188].
- distance of, [186].
- the gauze ring, [199]-202.
- gravity on, [188].
- inclination of axis, [187].
- interior of, [206].
- length of year, [186].
- popular telescopic object, [185].
- rings of, [185], [196].
- gaps in, [197].
- origin of, [200].
- periodic disappearance of, [198].
- seen from planet, [207].
- shadow of, [198].
- rotation of, [187].
- satellites of, [195].
- size of, [187].
- Schiaparelli discovers canals on Mars, [90].
- describes Martian canals, [93].
- discovers Mercury's rotation, [30], [32].
- on rotation of Venus, [76].
- Solar system, shape and size of, [14].
- unity of, [9].
- viewed from space, [11].
- Stoney, Johnstone, on atmospheres of planets, [116].
- on escape of gases from moon, [231].
- Sun, the, isolation in space, [13].
- no life on, [10].
- resemblances with Jupiter, [174].
- Swedenborg, on Saturn's rings, [204].
- Tidal friction, [80], [81], [236], [253].
- Tycho, lunar crater, [222].
- Ultra-Neptunian planet, [210].
- Uranus, description of, [208]-210.
- Venus, age of, [58].
- atmosphere of, [53], [55], [59], [61], [68].
- absence of seasons on, [51].
- density of, [47].
- distance of, [47], [50].
- gravity on, [46], [47].
- inclination of axis, [50].
- life on, [57], [58], [61], [65], [67], [68], [82], [117].
- light and heat on, [50]-57.
- orbit of, [50].
- phases of, [49].
- resemblances of, to earth, [46].
- rotation of, [76], [79], [80].
- size of, [46].
- twilight on, [83].
- visibility of, [47].
- Vesta, an asteroid, [129], [130], [138].
- Vogel on Mercury's atmosphere, [21].
- Wireless telegraphy, [1], [112].
- Young, C.A., on Olbers's theory of asteroids, [142].
- on temperature of Mars, [122].
- on Venus's atmosphere, [53].
- Zodiac, the, [258].
THE END
A NEW BOOK BY PROF. GROOS.
The Play of Man.