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276-192 BC: First determined the world's circumference by looking down a well on the summer solstice.
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Sailed north from Greece to Iceland to find a method for determining latitudes and to prove that tides were a product of lunar influences.
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established a marine observatory to improve the Portuguese sailing expeditions and conquered one of the greatest trade problems, getting around the tip of Africa.
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Rounded the Cape of Good Hope.
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Circumnavigated the globe through a passage way at 52° S latitude now called the Straights of Magellan.
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published his findings in the royal Society’s
Philosophical transactions for 1767 which gained him
notoriety and several more voyages charting New
Zealand, East coast of Australia, southern India
Ocean. South Pacific, rediscovered Easter Island and
many others along the way. -
Discovered surface currents and published the first map of the Gulf Stream.
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Cook discovered the Hawaiian group and determined the outline of the worlds largest ocean.
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Established uniform methods of making nautical and meteorological observations at sea.
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Between 1872 and 1876; It was the first expedition organized specifically to gather data on a wide range of ocean features, including ocean temperatures seawater chemistry, currents, marine life, and the geology of the seafloor.
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Developed by William Beebe and Otis Barton. They recorded every animal that passed before their portholes, including fish and invertebrates never before seen.
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Underwater sound detection technology that detects other vessels or communicate with them. Stands for Sound Navigation and Ranging.
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Most influential of Greek astronomers and geographers of his time. Created the geocentric theory.
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Sailed west from Greenland and discovered Baffin Island.
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discovered what was
then called Vineland and spent the winter in an area
of North America we call Newfoundland.
