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galilao invented the first working telecope
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in danzig, johannis hevelius created a 150 ft long telescope held up by ropes and a pole
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sir william herschel discovered uranus
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john william draper created the first picture of the moon
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lord rosse constructed his reflecting telescope
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the us naval observatory in washington dc sent eight observing missions around the world
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14 foot telescope at yerkes observatory
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the hooker telescope saw first light at the mt wilson observatory in california
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clyde tombaugh discovered pluto the outer most planet in the milky way
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200 inch hale telescope on polomar mountain in california
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twin mirrored binacular saw first light in arizona