Refracting Telescope Essay

688 words - 3 pages

Refracting Telescopes A telescope magnifies distant objects so they can be easily studied. Astronomers use the telescope to study the planets, stars and other objects in our universe. The first telescope was invented by Hans Lippershey a Dutch optician. According to legend, the telescope was "discovered rather than invented" (Christopher Lampton). Hans was a lazy type of person, apparently he was spending the afternoon playing with lenses. He noticed that when he took two and held one held one at arms length and the other infront of his eye the objects became magnified and seemed close by. Basically the first lense magnified the objects and the second lense enlarged the image so it can be viewed. He was actually holding a concave lens and a convex lens and looked through it. This made him more curious, he then put the lenses in a tube. Although this was very basic it was the first refracting telescope in 1668. Using this new instrument many more scientists started exploring our universe even though many of the early telescopes where mostly used for the military. In almost no time this new invention spread across Europe. Galileo Galilei, an Italian astronomer and physicist is credited by many science historians as being the first to ever make detailed observations of many objects in space using the early telescope. His curiosity drove him to make the very basic telescope even better. He made his own homemade telescope that could magnify the objects 20x the size when viewed by the naked eye. He soon made even more observations in space. He found out moons orbiting Jupiter, the Milky Way Galaxy, dark spots on the sun and many more extraordinary discoveries that people had not heard of before. But that wasn't the end to the development to the technology of telescopes. Using the idea of the refracting telescope Scottish astronomer...

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