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Galileo used two glass lenses in a tube to bring moon craters, sunspots, and nearby planets into view.
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Sir William Herschel discovered the planet uranus with a handmade reflective telescope, eight years later King George the third funded a 40 foot telescope, but it proved to be less efective than it was hoped to be.
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John wiliam draper produced the first photo of the moon.
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A telescope cosntruceted by Lord Rosse in ireland discovered the first spiral nebulae.
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A 40 inch refracting telescope at Yerkes Observetory is he largest refracting telescope ever built
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A 100 inch telescope was built at the Mount Wilson Observatory in Pasadena, California.
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Clyde tombaugh discovered pluto
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The Hubble telescope was lifted into space by the Shuttle "Discovery" and has been recording our universe ever since.
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The LBT saw first binocular light in 2008 ans delivers a sharper image than The Hubble.