Recreations in AstronomyJohn W. Parker, 1840 - 340 pàgines |
Des de l'interior del llibre
Resultats 1 - 5 de 56.
Pàgina 12
... period would be necessary to determine that a star had actually changed its place relatively to other stars . There have , however , been discovered at different times , ten stars , more or less brilliant , which change.
... period would be necessary to determine that a star had actually changed its place relatively to other stars . There have , however , been discovered at different times , ten stars , more or less brilliant , which change.
Pàgina 13
... period more or less brief , vanish altogether from the view of the observer , and do not return till after a long absence . To such bodies we give the name of Comets . Such , then , are the equally sublime and fascinating appearances ...
... period more or less brief , vanish altogether from the view of the observer , and do not return till after a long absence . To such bodies we give the name of Comets . Such , then , are the equally sublime and fascinating appearances ...
Pàgina 15
... period which each took to move through its apparent path in the heavens ; and , in many other ways , the ancients helped to lay the foundation of that mass of astronomical knowledge which the men of later ages have brought to more ...
... period which each took to move through its apparent path in the heavens ; and , in many other ways , the ancients helped to lay the foundation of that mass of astronomical knowledge which the men of later ages have brought to more ...
Pàgina 35
... solar system , would be fatal to its sta- bility . Truly wonderful , indeed , is it , that the eleven planets should revolve round the Sun in periods differ- ing greatly one from another , and at such various D 2 THEORY OF GRAVITATION . 35.
... solar system , would be fatal to its sta- bility . Truly wonderful , indeed , is it , that the eleven planets should revolve round the Sun in periods differ- ing greatly one from another , and at such various D 2 THEORY OF GRAVITATION . 35.
Pàgina 54
... period of such revolution , as determined by these spots , after making allowance for the motion of the Earth , is , as we have stated , about twenty - five days . It is easy to produce familiar illus- tration of such a motion . Suppose ...
... period of such revolution , as determined by these spots , after making allowance for the motion of the Earth , is , as we have stated , about twenty - five days . It is easy to produce familiar illus- tration of such a motion . Suppose ...
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
Almanac altitude angle aphelion appear Aries astronomers atmosphere attraction axis called celestial celestial sphere centre circle circumstance comet constellation dark dial diameter direction disk distance Earth's orbit Earth's surface east equal equator fixed stars globe greater Greek heavenly bodies heavens Hence Herschel horizon immense inferior planet inhabitants Jupiter Latin latitude latter light and heat longitude luminous lunar magnitude Mars means Mercury meridian millions of miles Moon Moon's motion move round nearer night node o'clock observed oval parallax pass perihelion period planet point of Aries poles portion position Quadrant rays reckoned reflecting telescope refracting revolution revolve round right ascension ring rise rotation round the Earth round the Sun satellites Saturn seasons seen shadow side solar eclipse solar system space sphere spot Sun and Moon Sun-dial Sun's supposed telescope termed tides tion tropic twelve Uranus velocity Venus visible zenith Zodiac
Passatges populars
Pàgina 235 - The wicked have waited for me to destroy me : but I will consider thy testimonies. 96 I have seen an end of all perfection : but thy commandment is exceeding broad.
Pàgina 44 - And God set them in the firmament of 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.
Pàgina 238 - Their distance argues, and their swift return Diurnal), merely to officiate light Round this opacous earth, this punctual spot...
Pàgina 102 - And, missing thee, I walk unseen On the dry smooth-shaven green, To behold the wandering moon Riding near her highest noon, Like one that had been led astray Through the heaven's wide pathless way, And oft, as if her head she bow'd, Stooping through a fleecy cloud.
Pàgina 236 - The' illustrious stranger passing, terror sheds On gazing -nations from his fiery train, Of length enormous, takes his ample round Through depths of ether ; coasts unnumber'd worlds Of more than solar glory; doubles wide Heaven's mighty cape; and then revisits earth, From the long travel of a thousand years.
Pàgina 79 - Fairest of stars, last in the train of night, If better thou belong not to the dawn, Sure pledge of day, that crown'st the smiling morn With thy bright circlet, praise him in thy sphere, While day arises, that sweet hour of prime.
Pàgina 152 - These, each exalting each, the statesman light Into the patriot; these, the public hope And eye to thee converting, bid the Muse Record what envy dares not flattery call. Now when the cheerless empire of the sky To Capricorn the Centaur Archer yields, And fierce Aquarius, stains th' inverted year ; Hung o'er the farthest verge of heaven, the sun Scarce spreads through ether the dejected day.
Pàgina 43 - And God said, Let there be lights in the firmament of heaven, to divide the day from the night ; and let them be for signs, and for seasons, and for days, and for years. And let them be for lights in the firmament of heaven to give light upon the earth ; and it was so.
Pàgina 151 - To shake the sounding marsh, or from the shore The plovers when to scatter o'er the heath And sing their wild notes to the listening waste. At last from Aries rolls the bounteous sun, And the bright Bull receives him. Then no more Th...
Pàgina 66 - Prime cheerer Light ! Of all material beings first, and best ! Efflux divine! Nature's resplendent robe! Without whose vesting beauty all were wrapt In unessential gloom; and thou, O Sun!