The invention of the telescope
The telescope is an instrument that allows to observe distant objects, amplifying the image generally to traverse concave mirrors. The word telescope, comes from the Greek. Tele means far and, skopien, to watch.
A telescope can be considered, like an apparatus that also increases the size angular of the distant objects and, the brightness that these emit. It is by the same, that the telescope is used in astronomy, to be able to see the remote celestial Earth bodies. Also, a telescope collects and focuses the electromagnetic radiation.
A telescope works by means of one or several concave mirrors or curved, which catch the light of the distant objects or the electromagnetic radiation. This light caught by the telescope or the radiation, is taken to a center, in which the definitive image is created.
It is by means of this system, that the image can be observed by the astronomers, like also, photographed for future investigations.
With respect to the history of the telescope, this goes back to century X. Don of the Arabs, Persian and vikingos, had developed lenses, to be able to observe the firmament. Clear that they were tentative and quite rudimentary developments, but they are the first lenses, that are to use, like telescopes.
Generally, the invention of the modern telescope is thought that, must to a Dutch inventor, of who its name is not had. It would have developed this it in 1608. Also, people, who also indicated to have developed a telescope, by those years existed. But never it was everything very clearly.
For 1609, Galileo Galilei, also developed a telescope. The grace of Galileo, is that she was the first person in using the telescope, like a scientific tool. That is, to be used in astronomy. Telescope that served to him, to support the scientific theory of Nicholas Copérnico, of which the Earth turned not the other way around around the sun and. Situation that almost costs the life to him, due to the annoyance of the Pope of that one then. It is more, Galileo was excomulgado of the Church, by hereje. Since their writings, went against the beliefs of the Church.
Several centuries advanced, near ours, are more that the apt telescope was developed to catch the electromagnetic radiation.
With respect to the classification of the telescope, two slopes exist. They are the optical telescopes and the created ones to catch the electromagnetic radiation. The optician, clearly, is the used ones in astronomy. The optical telescopes, also, are divided in two categories. Refractory and those that reflect the light.
At present, a telescope or the base of its operation, not only is used in astronomy. Also it is used to spy at a distance, in the lenses of the cameras, in the monóculos, the prismatic lenses, in transit and video cameras.
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