http://blog.nasm.si.edu/astronomy/shaking-it-up-planetary-tectonics-throughout-the-solar-system/ Wed, 15 May 2013 19:26:04 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://blog.nasm.si.edu/astronomy/shaking-it-up-planetary-tectonics-throughout-the-solar-system/comment-page-1/#comment-238 Hyam Fri, 19 Mar 2010 02:15:07 +0000 http://blog.nasm.si.edu/?p=1128#comment-238 Is there any evidence that there is tectonic activity on the Moon at the present tiome? What about Mercury – tidal issues?

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