-
276
Eratosthenes 276BC
He is noted for devising a map system based on latitude and longitude lines and computing the size of the Earth. -
Jan 5, 1420
Prince Henry The Navigator
Thanks to Prince Henry's patronage, Portuguese ships sailed to the Madeira Islands -
Jan 5, 1480
Ferdinand Megellan
was the first European to sail across the Pacific Ocean -
Jan 5, 1492
Christopher Columbus
sailed across the Atlantic Ocean in 1492 -
James Cook
lead a scientific expedition that would sail to the island of Tahiti in the south Pacific -
SONAR
Sonar is a system that uses transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distances underwater -
Oceanic Exploration by George Strong Nares 1872-1876
gathered observations from 362 stations and made 492 deep surroundings and 133 dredgings. -
Bathysphere, built by William Beebe
made its first dives in 1930. On June 11, 1930, it reached a depth of 400 m, or about 1,300 feet, and in 1934 -
Benjamin Franklin
thought the thermometer could become an important aid to navigation, particularly to ships sailing in or near the Gulf Stream. -
Matthew Maury
Over the next 19 years Maury devoted himself to studying the winds, clouds, weather, and ocean features -
Ptolemy March 26, 127
propounded the geocentric theory in a form that prevailed for 1400 years -
Pytheas-320BC
first Greek to visit and describe the British Isles, and the Atlantic coast of Europe.
