How can ancient rain tell us about the atmosphere?

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Offline thedoc

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What was the atmosphere like on the Earth nearly 3 billion years ago?  Well that's a pretty tough question to answer, but incredibly, some fossilised raindrops or rather, the patterns that they left behind when they fell 2.7 billion years ago have enabled scientists to reconstruct some aspects of what the air that rain fell through would’ve been like...
Read a transcript of the interview by clicking here

« Last Edit: 03/04/2012 17:16:07 by _system »