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How many oceans are there?
While there is only one global ocean, the seas are geographically divided into the Atlantic, Pacific, Indian, Arctic, and Southern (Antarctic) Oceans. These five oceans are not separate bodies of...
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Why do we have oceans?
Most scientists agree that the atmosphere and the oceans accumulated gradually over millions and millions of years with the continual ‘degassing’ of the Earth’s interior. According to this theory, the...
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What are the seven seas?
The origins of the phrase 'Seven Seas' can be traced to ancient times. In various cultures at different times in history, the Seven Seas has referred to bodies of water along trade routes, regional...
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What is the largest ocean basin on Earth?
Covering approximately 155 million square kilometers (59 million square miles) and containing more than half of the free water on Earth, the Pacific is by far the largest of the world’s ocean basins....
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What is the smallest ocean?
With an area of about 5.4 million square miles, the Arctic Ocean is about 1.5 times as big as the United States. It is bordered by Greenland, Canada, Norway, Alaska, and Russia. The average depth of...
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How did the Pacific Ocean get its name?
Ferdinand Magellan named the Pacific Ocean. In 1519, Portuguese explorer Ferdinand Magellan, in the employ of Spain, began a journey across the Atlantic Ocean to seek a western route to the Spice...
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What is the Sargasso Sea?
The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary The Sargasso Sea is a vast patch of ocean is named for a genus of free-floating seaweed called...
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How big is the Atlantic Ocean?
The Atlantic Ocean covers an area of approximately 41,105,000 square miles (106,460,000 square kilometers). Covering approximately 20 percent of the Earth’s surface, the Atlantic Ocean is the second...
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Are there oceans on other planets?
Currently, Earth is the only known planet (or moon) to have consistent, stable bodies of liquid water on its surface. In our solar system, Earth orbits around the sun in an area called the habitable...
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