The Planet Earth: An Astronomical Introduction to GeographyMacmillan, 1894 - Всего страниц: 108 |
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Стр. 15
... circle which the compasses can be supposed to trace out in the sky is the circle along which that parti- cular star always appears to travel . In other words , the radius of the circle of travel is determined by the distance of a star ...
... circle which the compasses can be supposed to trace out in the sky is the circle along which that parti- cular star always appears to travel . In other words , the radius of the circle of travel is determined by the distance of a star ...
Стр. 16
... circle above the horizon , and part below it . Increase the angle between the legs , still keeping one extremity fixed at the pole , and a point will be reached when one leg is perpendicular to the other . Stars at this angular distance ...
... circle above the horizon , and part below it . Increase the angle between the legs , still keeping one extremity fixed at the pole , and a point will be reached when one leg is perpendicular to the other . Stars at this angular distance ...
Стр. 17
... CIRCLE OF CIRCUMPOLAR STARS AT LONDON HORIZON AT LONDON . DIRECTION OF THE HORIZON AT THE POLES DIRECTION OF THE LIMITING NEVER DIRECTION OF THE SEEN CIRCLE OF STARS AT LONDON FIG . 6. To explain why the altitude of the Pole - Star ...
... CIRCLE OF CIRCUMPOLAR STARS AT LONDON HORIZON AT LONDON . DIRECTION OF THE HORIZON AT THE POLES DIRECTION OF THE LIMITING NEVER DIRECTION OF THE SEEN CIRCLE OF STARS AT LONDON FIG . 6. To explain why the altitude of the Pole - Star ...
Стр. 18
... circle of perpetual apparition would thus daily increase in size . Stars which rose and set in the southern sky would disappear , while others which described part of their daily circle below the horizon would rise to the position of ...
... circle of perpetual apparition would thus daily increase in size . Stars which rose and set in the southern sky would disappear , while others which described part of their daily circle below the horizon would rise to the position of ...
Стр. 19
... circles parallel to the horizon . In middle latitudes there are ( 1 ) stars which never set ; ( 2 ) stars which never rise ; ( 3 ) stars which both rise and set . A determination of latitude on the earth can be made by observing the ...
... circles parallel to the horizon . In middle latitudes there are ( 1 ) stars which never set ; ( 2 ) stars which never rise ; ( 3 ) stars which both rise and set . A determination of latitude on the earth can be made by observing the ...
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The Planet Earth: An Astronomical Introduction to Geography Sir Richard Gregory Полный просмотр - 1894 |
The Planet Earth: An Astronomical Introduction to Geography Sir Richard Gregory Полный просмотр - 1894 |
The Planet Earth: An Astronomical Introduction to Geography Sir Richard Gregory Полный просмотр - 1894 |
Часто встречающиеся слова и выражения
Aldebaran Algol Andromeda angle angular distance apparent motions apparent path appears to travel Arcturus astronomers attraction Auriga axis of rotation Betelgeuse bright star Canis Major CANIS MINOR Cassiopeia celestial bodies celestial equator celestial pole celestial sphere centre Cepheus circle circumference constellation Copernican Copernicus Denebola described diameter direction distance round diurnal motion due south earth earth's equator eastern horizon ecliptic equinox fact globe Heaven Heaven Heaven hence journey Jupiter known lamp latitude lead ball length light luminary mass measure Mercury meridian midnight miles minutes movement moving round night noonday north and south north celestial pole object observed orbits Orion pass pendulum planets polar regions Pole-Star position Procyon Ptolemy Regulus revolution revolve round rising and setting round the sun Saturn seen side spinning stationary point summer solstice sun's suppose surface theory tion travel round triangle twilight Venus visible watch zodiac
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Стр. 59 - And God said, Let there be lights in the firmament of the heaven to divide the day from the night ; and let them be for signs and for seasons, and for days,
Стр. 41 - That very law* which moulds a tear, And bids it trickle from its source, That law preserves the earth a sphere, And guides the planets in their course.
Стр. 63 - The Ram, the Bull, the heavenly Twins, And next the Crab the Lion shines, The Virgin and the Scales ; The Scorpion, Archer, and He-goat, The Man that holds the watering-pot, And Fish with glittering tails.
Стр. 5 - But I am constant as the northern star, Of whose true-fix'd, and resting quality, There is no fellow in the firmament.
Стр. 62 - For several ages he saw in the countless worlds that sparkle through space like the bubbles of a shoreless ocean only the petty candles, the household torches, that Providence had been pleased to light for no other purpose but to make the night more agreeable to man. Astronomy has corrected this delusion of human vanity : and man now reluctantly confesses that the stars are worlds, larger and more glorious than his own, — that the earth on which he crawls is a scarce visible speck on the vast chart...
Стр. 5 - The skies are painted with unnumber'd sparks; They are all fire and every one doth shine; But there's but one in all doth hold his place.
Стр. 61 - Thro' cells of madness, haunts of horror and fear, That I come to be grateful at last for a little thing : My mood is changed, for it fell at a time of year When the face of night is fair on the dewy downs, And the shining daffodil dies, and the Charioteer And starry Gemini hang like glorious crowns Over Orion's grave low down in the west...
Стр. 104 - Every particle in the universe attracts every other particle with a force which is directly proportional to the product of the masses of the particles and inversely proportional to the square of the distance between them.
Стр. 62 - Man is arrogant in proportion to his ignorance. Man's natural tendency is to egotism. Man, in his infancy of knowledge, thinks that all creation was formed for him. For several ages he saw in the countless worlds that sparkle through space like the bubbles of a shoreless ocean only the petty candles, the household torches, that Providence had been pleased to light for no other purpose but to make the night more agreeable to man.
Стр. 56 - The specific gravity is the ratio of the weight of a substance to the weight of an equal volume of water.