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Earth Sciences
The Moon

How do scientists think earth's oceans formed?


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January 04, 2009 12:38PM

* Some scientists suggest "they may have formed because the young Earth had a thick blanket of hydrogen, which reacted with oxides in the Earth's mantle to form lakes and seas." To read the article, click on the Related Link.

* An article in Wikipedia says that "many scientists believe that comets bombarding the young Earth (about 4 billion years ago) brought the vast quantities of water that now fill the Earth's oceans."