INDEX

Aberration, [88]
Alpha Centauri, [145]
Alpha Draconis, [62]
Altitude, [13], [14]
Andromeda, nebula in, [236]
Antares, [24]
Aphelion, [8]
April, aspect of sky in, [251]
Arcturus, [224]
Asteroids, the, [187]
Atmosphere, the, [82]
August, aspect of sky in, [253]
Azimuth, [13], [14]
Beta Aurigæ, [230]
Binary (and multiple) stars, [226]
Binaries, spectroscopic, [227]
Calendar, the, [117]
Calorie, measure of sun's heat, [129]
Cassiopeia, [22]
Cheops, pyramid of, [62]
Chromosphere, of sun, [135]
Circles, vertical, [15];
- altitude, [14];
- division of, [16]
Circumpolar stars, [224]
Clock, the astronomical, [41], [90]
Comets, [201], [203]
Constellations, the, [241]
Corona, of the sun, [135]
Coronium, [152]
Corona Borealis, [24]
Day, change of, [99], [101]
Day and night, [96]
December, aspect of sky in, [256]
Declination, [31], [35]
Dipper, the Great, [21];
- the Little, [23]
Earth, description of the, [67];
- weight of, [73]
Eclipses, [163]
Ecliptic, [43]
Elements, chemical, in the sun, [151]
Equator, [38]
Equinoxes, [45]
Eros, the asteroid, [142]
February, aspect of sky in, [249]
Galaxy, the, [233]
Gravitation, laws of, [70]
“Greenwich of the Sky,” [32]
Heavens, apparent motion of, [19]
Helium, [152]
Horizon, [10], [12];
- dip of, [86]
Hour Circles, [31]
January, aspect of sky in, [248]
July, aspect of sky in, [252]
June, aspect of sky in, [252]
Jupiter, the planet, [189]
Kepler, laws of, [173]
Latitude, terrestrial, [30];
- celestial, [49], [51]
Light, pressure of, [206]
Longitude, terrestrial, [30];
- celestial, [49], [51]
Magnitudes, stellar, [220]
March, aspect of sky in, [250]
Mars, the planet, [181]
May, aspect of sky in, [251]
Mercury, the planet, [175]
Meteors, [210]
Meteorites, [214]
Milky Way, the, [233]
Molecules, escape from planetary atmospheres, [158]
Moon, description of, [153];
- how earth controls, [75]
Motion, proper, of solar system, [232]
Nadir, [11]
Nebulæ, [236]
Nebular Hypothesis, [239]
Neptune, the planet, [199]
Noon-line, [12]
North Point, [20]
North Pole, [27], [37]
North Star, [20], [27], [61]
November, aspect of sky in, [255]
Nutation, [63]
Oblique sphere, [39]
October, aspect of sky in, [254]
Oppositions, of Mars, [183]
Orbits of planets, [7], [52]
Orion, nebula in, [236]
Parallax, [136], [139]
Parallel sphere, [38]
Perihelion, [8]
Phases of the moon, [160]
Photography, in astronomy, [240]
Photometry, of stars, [220]
Photosphere of sun, [134]
Planets, description of the, [172]
Polar circles, [111]
Precession of the Equinoxes, [55]
Refraction, [83], [85]
Right Ascension, [31], [35]
Right sphere, [39]
Rotation, effect of earth's, [5]
Saturn, description of, [195]
Seasons, the, [104], [107];
- secular change of, [115]
September, aspect of sky in, [254]
Signs of Zodiac, [54]
Spectroscopic analysis, [145], [147];
- shifting of lines, [227]
Sphere, celestial, [9]
Solstices, the, [47]
Stars, the fixed, [219];
- daily revolution of, [25];
- how to locate, [29];
- luminosity of, [222];
- spectra of, [221];
- variable, [225];
- temporary, [235];
- double and multiple, [226]
Sun, the description of, [127]
Sun-spots, [131]
Temperature, of sun, [130]
Temporary stars, [235]
Tides, the, [76], [79]
Time, [89];
- sidereal and solar, [93]
Transits, of Venus, [140], [141]
Tropics, the, [111]
Universe, appearance of, [8]
Uranus, description of, [199]
Ursa Major, [21]
Variable stars, [225]
Vega, [63]
Venus, the planet, [178]
Vernal Equinox, [32], [42], [46]
Zenith, [10]
Zodiac, [50]

Transcriber’s Notes:
- New original cover art included with this eBook is granted to the public domain.
- Missing or obscured punctuation was silently corrected.
- Typographical errors were silently corrected.
- Inconsistent spelling and hyphenation were made consistent only when a predominant form was found in this book.