Sunday, November 7, 2010

We Had Water the Entire Time?

This isn't an actual entry, but some (very) recent news about the origins of water on Earth before we get too far away from that topic in class.

Apparently, we may have had water from day one. This makes a lot of sense, since I was at one point talking about the discrepancies between the D/H ratio of comets and our ocean (my last presentation, I think).

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