There is a brilliant article in the New Scientist magazine of the 6th December 2003, entitled Earth's future. they mention - Silicon Snow, Iron rain and an Argon Ice cap...

I would be very interested in hearing other members' views on this article.

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Damien,
International Baccalaureate Physics teacher
Optics, Photogrammetry and Remote Sensing Instrumentation Major
Admin: Pacific Science and Art