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National Geographic Channel reveals the history of Earth’s Oceans in their ‘Earth: The Biography’ series. Half of Earth’s water originated from the planet’s inception and the other half was deposited by comets. How is it ? You can watch TV series on Oceans for one hour on July 14 at 2200 hours.

Also in their website, Oceans are covered in terms of

  • an overview
  • video clip
  • photographs
  • ocean facts

Here is a short video clip on the origin of oceans.

More details are here at National Geographic.

Update:July 29

Earth - The Biography: DVD & Blu-Ray is available online for purchase here.

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