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Hans Lippershay invents the telescope for use in the military. This leads to further experementation with telescopes.
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Gallaleo invents the refracting telescope,with a magnification of 3x. He uses this to look at the moon and other things in the sky, becoming the fist astronomer to use a telescope.
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He used a glass prism to discover the colors of the rainbow make up white light. This led to other discoveries later in history.
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Isac Newton uses mirrors to make a new type of telescope.
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William Herschal creates a large reflector telescope,20 ft long,18 inch diameter. He and his sister, Caroline, discovered Uranus with the telescope.
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George Ellery Hale helps plan the Yerkes Observatory, which houses a 40 inch refraciting telescope.
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George Ellery Hale helps plan the Mt Wilson Observatory. The Observatory houses a 60 inch reflecting telescope and a 100 inch reflecting telescope. George Hale went on to be the director of this Observatory.
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While working at Mt Wilson Observatory, Edwin Hubble published a paper proving that the Universe is expanding by measuring the red shift of other galaxies.
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Using a horn antenna, Penzius and Wilson found "noise" coming from everywhere. Later they found out that this was something theorised by scientists trying to prove teh Big Bang Teory was true.
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The Wilkinson Microwave Anisotropy Probe is launche in June, 2001. It measured the difference of temprature of cbr for nine years until a newer and more powerful probe was launched. From this data, we found out that the universe is 13.77 years old.
