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Telescopes in Astronomy CL - Running head TELESCOPES IN...

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Running head: TELESCOPES IN ASTRONOMY 1 Telescopes in Astronomy Cary Lingle PHY 107 June 25, 2013 Professor Worek
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TELESCOPES IN ASTRONOMY 2 Telescopes in Astronomy Peering out beyond the confines of the Earth was a daydream for early scientists. Staring into the heavens from the Earth limited the scientific community’s ability to study the cosmic bodies above the Earth’s surface. As curiosity grew to explore the Sun, moon, stars and far- reaching corners of the universe, creativity was sparked leading to the development of tools like a telescope to assist scientists with examining outer space and its contents. The development of the telescope began in the hands of a Dutch lens maker, Hans Lippershey. Lippershey developed a device consisting of a tube and a lens allowing the user to view objects up close. Galileo Galilei expanded upon Lippershey’s design creating the modern day telescope using a concave lens. Galileo used his telescope view the items in the night sky including the Milky Way. Galileo revealed that the Earth was not at the center of the universe that was a contrasting view from previous scholars. The development of the telescope has lead to significant discoveries including the moon's effect on weather patterns on Earth and in space black holes, stars' lifecycles and galaxies beyond the Milky Way to name a few. The ability to study the Sun has given scholars the ability to determine the age of the Sun, planets and stars in the night sky. The first telescope's original design, consisting of a tube and lens, gave the viewer the first glimpse into the space. As interest in astronomy grew in both the scientific and philosophical communities, the design of the telescope evolved. Several decades after the original design of the telescope the reflecting telescope was introduced to the scientific community. The reflecting telescope utilizes mirrors and light to reflect the image back to the viewer. The Earth's atmosphere distorts the image that leads to distortion in the view. The development of the curvature of the mirrors used in the telescope helped sharpen the image seen by the viewer.
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