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What were they about to discover in the field of this canada

May 28, 2014

The Telescope of the Rocky Mountains

canada goose clearance On the 20th of October in the preceding year, after the close of the subscription, the president of the Gun Club had credited the Observatory of Cambridge with the necessary sums for the construction of a gigantic optical instrument. This instrument was designed for the purpose of rendering visible on the surface of the moon Canada Goose online shop any object exceeding nine feet in diameter. canada goose clearance

canadian goose jacket At the period when the Gun Club essayed their great experiment, such instruments had reached a high degree of perfection, and produced some magnificent results. Two telescopes in particular, at this time, were possessed of remarkable power and of gigantic canada goose outlet toronto address dimensions. The first, constructed by Herschel, was thirty six feet in length, and canada goose outlet us had an object glass of four feet six inches; it possessed a magnifying power of 6,000. The second was raised in Ireland, in Parsonstown Park, and belongs to Lord Rosse. The length of this tube is forty eight feet, and the diameter of its object glass six feet; it magnifies 6,400 times, canada goose outlet usa and required an immense erection of brick work and masonry for the purpose of working it, canada goose outlet sale its canada goose outlet reviews weight being twelve and a half tons. canadian goose jacket

cheap Canada Goose Still, despite these colossal dimensions, the actual enlargements scarcely exceeded 6,000 times in round numbers; consequently, the moon was canada goose shop uk brought within no nearer an apparent distance than thirty nine miles; and objects of less than sixty feet in diameter, unless they were of very considerable length, were still imperceptible. cheap Canada Goose

canada goose clearance sale In the present case, dealing with a projectile nine canada goose stockists uk feet in diameter and fifteen feet long, it became necessary to bring the moon within an apparent distance of five miles at most; canada goose jacket outlet sale and for that purpose to establish a magnifying power of 48,000 times. canada goose clearance sale

canada goose black friday gofind sale Such was canada goose outlet kokemuksia the question proposed to the Observatory of Cambridge, There was no lack of funds; the difficulty was purely one of construction. canada goose black friday sale

buy canada goose jacket After considerable discussion as to the best form and principle of the canada goose victoria parka outlet proposed canada goose factory outlet toronto location instrument the work was finally commenced. According to the calculations of the Observatory of Cambridge, the tube of the new reflector would require to be 280 feet in length, and the object glass sixteen feet in diameter. canada goose outlet jackets Colossal as these dimensions may appear, they were diminutive in comparison with the 10,000 foot telescope proposed by the astronomer Hooke only a few years ago! buy canada goose jacket

canadian goose jacket Regarding the choice canada goose premium outlet of locality, that matter was promptly determined. The object was to select some lofty mountain, and there are not many of these in the United States. In canada goose outlet parka fact there are but two chains canada goose outlet in new york of moderate elevation, between which runs the magnificent Mississippi, the “king of rivers” as these Republican Yankees delight to call it. canadian goose jacket

canada goose black friday sale Eastwards rise the Appalachians, the very highest point of which, in New Hampshire, does not exceed canada goose outlet factory the very moderate altitude of 5,600 feet. canada goose black friday sale

Canada Goose sale On the west, however, rise the Rocky Mountains, that immense range which, commencing at the Straights of Magellan, follows the western coast of Southern America under the name of the Andes or the Cordilleras, until it crosses the Isthmus of canada goose outlet new york Panama, and runs up the whole of North America to the very borders of the Polar Sea. The highest elevation of this range still does not exceed canada goose outlet michigan 10,700 feet. With this elevation, nevertheless, the Gun Club were compelled to be content, inasmuch as they had determined that both telescope and Columbiad should be erected within the limits of the Union. All the necessary apparatus was consequently sent on to the summit of Long’s Peak, in the territory of Missouri. Canada Goose sale

buy canada goose jacket cheap Neither pen nor language canada goose outlet miami can describe the difficulties of all kinds which the American engineers had to surmount, of the prodigies of daring and skill which canada goose factory outlet they accomplished. They had to raise enormous stones, massive pieces of wrought iron, heavy corner clamps and huge portions of cylinder, with an object glass weighing nearly 30,000 pounds, above the line of perpetual snow for more than 10,000 feet in height, after crossing desert prairies, impenetrable forests, fearful rapids, far from all centers of population, and in the midst of savage regions, in which every detail of life becomes an almost insoluble problem. And yet, notwithstanding these innumerable obstacles, American genius canada goose outlet uk fake triumphed. In less than a year after the commencement of the works, toward the close of September, the gigantic reflector rose into the air to a height of 280 feet. It was raised by means of an enormous iron crane; an ingenious mechanism allowed it to be easily worked toward all the points of the heavens, and to follow the stars from the one horizon to the other during their journey through the heavens. buy canada goose jacket cheap

canadian goose jacket It had cost $400,000. The first time it was directed toward the moon the observers evinced both curiosity and anxiety. What were they about to discover in the field of this canada goose uk site telescope which magnified objects 48,000 times? goose outlet canada Would they perceive peoples, herds of lunar animals, towns, lakes, seas? No! there canada goose outlet online uk was nothing which science had not already discovered! and on all the points of its disc the volcanic nature of the moon became determinable with the utmost precision. canadian goose jacket

canada goose store But the telescope of the Rocky Mountains, before doing its duty to the Gun Club, rendered immense services to astronomy. Thanks to its penetrative power, the depths of the heavens were sounded to canada goose discount uk the utmost extent; the apparent diameter of a great number of stars was accurately measured; and Mr. Clark, of the Cambridge staff, resolved the Crab nebula in Taurus, which the reflector of Lord Rosse had never been able to decompose canada goose store.

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