Ocean interesting facts

1. The oceans occupy nearly 71% of our planet's surface

2. More than 97% of all our planet's water is contained in the ocean

3. The top ten feet of the ocean hold as much heat as our entire atmosphere

4. The average depth of the ocean is more than 2.5 miles

5. The oceans provide 99 percent of the Earth's living space- the largest space in our universe known to be inhabited by living organisms

6. More than 90% of this habitat exists in the deep sea known as the abyss

7. Less than 10% of this living space has been explored by humans

8. Mount Everest (the highest point on the Earth's surface 5.49 miles) is more than 1 mile shorter than the Challenger Deep (the deepest point in the ocean at 6.86 miles)

9. The longest continuous mountain chain known to exist in the Universe resides in the ocean at more than 40,000 miles long

10. The Monterey Bay Submarine Canyon is deeper and larger in volume than the Grand Canyon

11. The Antarctic ice sheet that forms and melts over the ocean each year is nearly twice the size of the United States

12. The average temperature of the oceans is 2ºC, about 39ºF

13. Water pressure at the deepest point in the ocean is more than 8 tons per square inch, the equivalent of one person trying to hold 50 jumbo jets.

14. The Gulf Stream off the Atlantic seaboard of the United States flows at a rate nearly 300 times faster than the typical flow of the Amazon river, the world's largest river

15. The worlds oceans contain nearly 20 million tons of gold

16. The color blue is least absorbed by seawater; the same shade of blue is most absorbed by microscopic plants, called phytoplankton, drifting in seawater

17. A new form of life, based on chemical energy rather than light energy, resides in deep-sea hydrothermal vents along mid-ocean ridges

18. A swallow of seawater may contain millions of bacterial cells, hundreds of thousands of phytoplankton and tens of thousands of zooplankton

19. The blue whale, the largest animal on our planet ever (exceeding the size of the greatest dinosaurs) still lives in the ocean; it's heart is the size of a Volkswagen

20. The gray whale migrates more than 10,000 miles each year, the longest migration of any mammal

21. The Great Barrier Reef, measuring 1,243 miles, is the largest living structure on Earth. It can be seen from the Moon.

22. More than 90 percent of the trade between countries is carried by ships and about half the communications between nations use underwater cables

23. More oil reaches the oceans each year as a result of leaking automobiles and other non-point sources than was spilled in Prince William Sound by the Exxon Valdez

24. Fish supply the greatest percentage of the world's protein consumed by humans

25. Most of the world's major fisheries are being fished at levels above their maximum sustainable yield; some regions are severely overfished

26. The Grand Banks, the pride of New England fishing for centuries, are closed due to overfishing.

27. By 2010, 80 per cent of people will live within 60 miles of the coast.