Mofra
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- Dec 6, 2005
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This is a fascinating subject, with new discoveries challenging the long-held theory of how water formed on Earth.
'Incredible implications': Scientists re-write the book on where Earth's water came from
According to textbooks, Earth was dry before it was bombarded by water-containing rocks from the icy outer solar system. But that's not what a new study has found.
www.abc.net.au
Earth has vast oceans today, but our planet was a dry rock when it first formed — and water was a late addition, rained down in asteroids from the icy outer solar system.
That's what the textbooks say, but new research published today in the journal Science, adds weight to a competing idea that Earth was actually born 'wet'.