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Interesting also is the earlier American-German GRACE satellite. For more information on both see here http://www.science20.com/planetbye/grace_goce http://www
by mih 16y ago
Interesting also is the earlier American-German GRACE satellite. For more information on both see here http://www.science20.com/planetbye/grace_goce http://www.science20.com/planetbye/grace_goce