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Atlantic Ocean. Ocean exploration is a part of oceanography describing the exploration of ocean surfaces. ... 450 BC Herodotus produces a map of the Mediterranean region.
In 1513, Spanish explorer Vasco Núñez de Balboa crossed the Isthmus of Panama and encountered the Pacific Ocean, calling it the South Sea. In 1521, a Spanish expedition led by the Portuguese navigator Ferdinand Magellan was the first recorded crossing of the Pacific Ocean, Magellan then naming it the "peaceful sea."
British explorer James Cook, who had been the first to map the North Atlantic island of Newfoundland, spent a dozen years in the Pacific Ocean. He made great contributions to European knowledge of the area, and his more accurate navigational charting of large areas of the ocean was a major achievement.
The Five Deeps Expedition's objective was to thoroughly map and visit the deepest points of all five of the world's oceans by the end of September 2019. [137] On 28 April 2019, explorer Victor Vescovo descended to the "Eastern Pool" of the Challenger Deep in the Deep-Submergence Vehicle Limiting Factor (a Triton 36000/2 model submersible).
Mariana Trench – Maps (Google) NOAA – Ocean Explorer (Ofc Ocean Exploration & Rsch) NOAA – Ocean Explorer – Multimedia – Mariana Arc ; NOAA – Ocean Explorer – Video Playlist – Ring of Fire (2004–2006)
While some maps after 1500 show, with ambiguity, an eastern coastline for Asia distinct from the Americas, the Waldseemüller map apparently indicates the existence of a new ocean between the trans-Atlantic regions of the Spanish discoveries and the Asia of Ptolemy and Marco Polo as exhibited on the 1492 Behaim globe.
The fleet explored the rivers and bays as it charted the South American coast until it found a way to the Pacific Ocean through the Strait of Magellan. From 1524 to 1525, Aleixo Garcia , a Portuguese conquistador, led a private expedition of shipwrecked Castilian and Portuguese adventurers, who recruited about 2,000 Guaraní Indians .
Deep-sea exploration is the investigation of physical, chemical, and biological conditions on the ocean waters and sea bed beyond the continental shelf, for scientific or commercial purposes.