The answer to how many oceans are on the planet, has for some time, been four. Not anymore. National Geographic has officially recognized the waters around Antarctica as the fifth ocean. Called the Southern Ocean, it is defined by the currents that are around it. All the other oceans are defined by the continents that touch them. NG made their announcement on World Oceans Day, June 8 and unveiled a new map showing the five oceans. Many oceanographers have felt that the Southern Ocean is simply an extension of the Indian, Pacific and Atlantic Oceans. Since 1999, the US Board on Geographic Names has recognized the Southern Ocean.
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Map of Earth showing five oceans isfrom:DailyMail
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