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First to determain the World's circumference
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Worked out a method for determining latitudes and using astronomical measurements proposed that tides were a product of
lunar influences. -
Early to mid 1400’s Prince Henry “The Navigator” established a marine observatory to improve the Portuguese sailing endeavors and conquered one of the greatest trades problems-getting around the tip of Africa
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First circumnavigation
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discovered Hawaiian group in 1778 and determined the outline of the worlds largest ocean and the first person known to cross the Atlantic circle.
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Discovered Surface currents and in 1777 published the first map of the Gulf Stream.
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established uniform methods of making nautical and meteorological observations at sea.
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The Challenger Expedition was the first large-scale voyage with the purpose of increasing knowledge of the distribution of life in the ocean and of the chemical and physical properties of the ocean.
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a spherical deep-sea submersible which is unpowered and is lowered into the ocean on a cable.
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a technique that uses sound propagation to navigate, communicate with or detect other vessels.
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They discovered the Canary Islands and established trade with Eastern Asia.
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Navigated by watching wave patterns; made maps made of shells and sticks
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Descovered Baffin Island
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constructed a map of the Mediterranean Sea
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Created a system call thePtolemaic System which predicted the positions of the plants accurately enough for naked-eye observations.
