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Map Maker
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Discovered the circumference of the Earth
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Circumnavigated Great Britain
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Prince Henry started the first school for oceanic navigation along with an astronomical observatory at Sagres, Portugal. In this school, people were trained in nagivation, map-making, and science, in order to sail down the west of Africa.
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Vasco sighted the Pacific Ocean for the first recorded time from a top of a mountain
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First Circumnavigation
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Circumnavigated New Zealand and charted the north and south islands
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First Scientist to study in graph wind speeds and current depth,. He also graphed the Gulf stream which helped navigators discover the currents
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Matthew F. Maury develops oceanography, J. R. von Mayer (Germany), On the Forces of Inanimate Nature; Crawford Long uses ether on humans
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Challenger returned to Spithead, Hampshire conducting 492 deep sea soundings, 133 bottom dredges, 151 open water trawls, 263 serial water temperature observations, and discovered about 4,700 new species of marine life
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American engineers developed their own underwater sound detection technology. After technical information was exchanged between the two countries during the Second World War, Americans began to use the term SONAR for their systems, coined as the equivalent of RADAR
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William Beebe descends to a depth of 3027 feet off the Bermuda in a tethered bathysphere to observe deep ocean life
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He constructed a map of the Mediterranean Sea
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Circumnavigated Africa in the North Atlantic navigated by watching wave patterns in made maps of shells and sticks
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Leif Erickson discovers New Foundland and navigates through icy waterts, discovering limitations of that ocean area
