The Geography of the Heavens and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page 28
Parallels of Declination are small circles , imagined to be drawn on the concave surface of the heavens , north and south of the equinoctial , and parallel to it ; or they may be considered as circles formed by producing the parallels ...
Parallels of Declination are small circles , imagined to be drawn on the concave surface of the heavens , north and south of the equinoctial , and parallel to it ; or they may be considered as circles formed by producing the parallels ...
Page 29
Declination is the distance of a heavenly body either north or south of the equinoctial , measured on a meridian . ... It is more convenient to describe the situation of the heavenly bodies by their declination and right ascension ...
Declination is the distance of a heavenly body either north or south of the equinoctial , measured on a meridian . ... It is more convenient to describe the situation of the heavenly bodies by their declination and right ascension ...
Page 31
These constellations are represented on the sixth and seventh maps , called circumpolar maps , which are an exact continuation of the others , and if joined to them at their corresponding degrees of right ascension and declination ...
These constellations are represented on the sixth and seventh maps , called circumpolar maps , which are an exact continuation of the others , and if joined to them at their corresponding degrees of right ascension and declination ...
Page 32
The Celestial Planisphere represents the whole heavens lying between 70 degrees of north and south declination , not as the surface of a concave sphere , but of a concave cylinder , and spread out so as to form a plain surface .
The Celestial Planisphere represents the whole heavens lying between 70 degrees of north and south declination , not as the surface of a concave sphere , but of a concave cylinder , and spread out so as to form a plain surface .
Page 35
It is situated between 20 ° and 50 ° of N. declination . Its mean right ascension is nearly 15 ° ; or one hour E. of the equinoctial colure . ) It consists of 66 visible stars , of which three are of the 2d magnitude , and two of the 3d ...
It is situated between 20 ° and 50 ° of N. declination . Its mean right ascension is nearly 15 ° ; or one hour E. of the equinoctial colure . ) It consists of 66 visible stars , of which three are of the 2d magnitude , and two of the 3d ...
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Common terms and phrases
3d magnitude according ancient angle appear astronomers attraction axis Bear bodies called cause celestial centre changes circle comet compared consequently constellation contains continue course declination Describe determined diameter direction distance distinguished Earth east ecliptic equal equator equinoctial equinox fact figure fixed four give globe half hand head heavens hemisphere Herschel horizon Jupiter known latitude length less light magnitude marked mean Mercury meridian miles millions minutes months Moon motion move nearly night northern objects observed orbit passing period phenomena planets polar pole position present principal regard remarkable represented respect revolve right ascension rise says seasons seen side situated solar sometimes southern space square stars Sun's supposed surface tion triangle universe Venus visible whole Zodiac
Popular passages
Page 158 - And God made two great lights; the greater light to rule the day, and the lesser light to rule the night: he made the stars also. And God set them in the firmament of the heaven to give light upon the earth, and to rule over the day, and over the night, and to divide the light from the darkness: and God saw that it was good. And the evening and the morning were the fourth day.
Page 152 - Canst thou bind the sweet influences of the Pleiades, Or loose the bands of Orion? Canst thou bring forth Mazzaroth in his season? Or canst thou guide Arcturus with his sons?
Page 27 - Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces; the whole occupying a complete circle, or broad belt, in the heavens, called the Zodiac.
Page 100 - Cleaves to his back; a famish'd face he bears; His arms descend, his shoulders sink away, To multiply his legs for chase of prey. He grows a wolf, his hoariness remains, And the same rage in other members reigns.
Page 112 - Dan shall be a serpent by the way, An adder in the path, That biteth the horse heels, So that his rider shall fall backward.
Page 165 - It is worthy of particular notice, that the point from which the meteors seemed to emanate was observed, by those who fixed its position among the stars, to be in the constellation Leo; and, according to their concurrent testimony, this radiant point was stationary among • the stars during the whole period of observation — that is, it did not move along with the earth in its diurnal revolution east...
Page 162 - I was called up to see the shooting of the stars, as it is commonly called. The phenomenon was grand and awful ; the whole heavens appeared as if illuminated with sky-rockets, which disappeared only by the light of the sun after day-break. The meteors, which at any one instant of time appeared as numerous as the stars, flew in all possible directions, except from the earth...
Page 163 - The first appearance was that of fireworks of the most imposing grandeur, covering the entire vault of heaven with myriads of fireballs, resembling skyrockets.
Page 127 - So high in air, and set her on the clift, Where far above thy world she dwells alone, And proudly makes the strength of rocks her own ; Thence wide o'er Nature takes her dread survey, And with a glance predestinates her prey ? She feasts her young with blood ; and, hovering o'er Th' unslaughter'd host, enjoys the promis'd gore.
Page 163 - ... and the stars of heaven fell unto the earth, even as a fig tree casteth her untimely figs, when she is shaken of a mighty wind.