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Hans Lippershey was the the first inventor of the telescope.
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Galileo Galilei used the telescope first to study space.
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On 1668, Isaac Newton made the first telescope that uses reflected light.
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William Hershal discovered that if you use larger mirros, you will be able to be exposed to more light and see farther.
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Uranus was discovered as the seventh planet from the Sun.
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Penzias and Wilson's new radio waves telescope was created.
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Hubble discovers the distance of Nebula and discovers that it's outside of our own Milky Way.
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The first largest optical telescope in the world was created.
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The Hubble Space Telescope was launched on this day into low Earth's orbit.
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The WMAP was a NASA Explorer mission was launced on this day to make fundamental measurements of cosmology.
