RE: ET: Scientific American article on GHZ

From: Don Klemencic (klemencc@sgi.net)
Date: Sun Oct 28 2001 - 21:59:48 MST


Daniel Ust asked:

> I wonder if having liquid oceans has an impact on having plate
tectonics...
>
Brownlee and Ward, two of the three authors of the Scientific American
article, say in their book, Rare Earth, that oceans are probably necessary
to weaken the crust enough to make plate tectonics possible.

Don Klemencic



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