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<p>[QUOTE=&quot;desertgem, post: 1631313, member: 15199&quot;]Interesting you brought this up. In the last couple of decades, earth/satellite based sensors and research space probes, have generated many papers on chemical reactions that are occurring in space. Space seems to contain every natural element found on earth ( but of course much diluted per volume), so corrosion would be much slower relatively. But the energy levels from radiation much higher could offset some of that. So given enough time, I would expect some reaction with coin type metal in actual space environment ( not just riding in the satellite), but humans may not be around long enough to see the effects.</p><p><br /></p><p>I think it would be interesting to find metal objects in the subsurface of the Martian desert. I would expect interesting patina.[/QUOTE]</p><p><br /></p>

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