Sterling and all... > A decade or so was wasted on "geological" mechanisms > that could re-surface without outside interference. They > were largely hooey that convinced no one, posing improbable > mechanisms to accomplish world-wide simultaneous subduction.
*way* too sweeping a generalization. it's true that there's no consensus on what triggered the resurfacing of Venus, but the discussion mostly surrounds whether it's periodic (i.e. it'll happen again) or was a one-time event that fundamentally altered the planet's internal heat flow. regardless, large-scale cratering only 600 million years ago would leave an unmistakable gravity signature - and there ain't none. clear skies, Kelly **************** J. Kelly Beatty Senior Contributing Editor SKY & TELESCOPE 617-416-9991 SkyandTelescope.com list ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
