history of oceanography sorangel guerra 6th period

  • pytheas
    300

    pytheas

    was a Greek geographer and explorer from the Greek colony, Massalia (modern day Marseilles). He made a voyage of exploration to northwestern Europe at about 325 BC.
  • henry the navigator
    Jan 7, 1438

    henry the navigator

    He is most famous for the voyages of discovery that he organised and financed, which eventually led to the rounding of Africa and the establishment of sea routes to the Indies.
  • ferdinand magellan
    Jan 11, 1519

    ferdinand magellan

    was a Portuguese explorer
  • benjamin franklin

    benjamin franklin

    Benjamin Franklin (January 17, 1706 [O.S. January 6, 1705[1]] – April 17, 1790) was one of the Founding Fathers of the United States.
  • james cook

    james cook

    was a British explorer, navigator and cartographer, ultimately rising to the rank of Captain in the Royal Navy.
  • matthew maury

    matthew maury

    United States Navy was an American astronomer, historian, oceanographer, meteorologist, cartographer, author, geologist, and educator.
  • challenge expedition

    challenge expedition

    Modern oceanography began with the Challenger Expedition 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
  • SONAR

    SONAR

    is a technique that uses sound propagation (usually underwater, as in Submarine navigation) to navigate, communicate with or detect other vessels.
  • bathysphere

    bathysphere

    is a spherical deep-sea submersible which is unpowered and is lowered into the ocean on a cable.
  • ptolemy

    ptolemy

    was a Roman citizen of Egypt who wrote in Greek
  • erastosthenes

    erastosthenes

    was a Greek mathematician, elegiac poet, athlete, geographer, astronomer, and music theorist.