Top Tens
Top Ten: Ocean Facts
How big is the world's biggest iceberg? How deep can you dive without oxygen? Is the world's largest mountain range really underwater? Find the answers to these questions and more in our top ten trivia guide to the world's waterways.
Ocean fact #1
Earth has five major oceans. The largest is The Pacific, located between the Southern Ocean, Asia, Australia and the western hemisphere, over an area about 15 times the size of the USA. It contains more than 25,000 islands.
Ocean fact #2
The Challenger Deep is the lowest spot in all the world's oceans, located in The Pacific. To put its depth into perspective, if you dropped in Mount Everest (8,850 metres high), there'd still be more than a mile of ocean above it.
Ocean fact #3
Australia's Great Barrier Reef covers an area bigger than Great Britain and can even be seen from space. The Reef is a collection of islands which are home to over 400 types of coral and among which live more than 2,000 species of fish.
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- The Blue Planet is next on at 7.00am on Saturday 19th July on UKTV Gold
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