I don't know, but in that picture they look more like shadows of ridges than holes in the ground. Maybe it's the focus.
From: cavera...@aol.com
To: greater_houston_gro...@yahoogroups.com, Texascavers@texascavers.com, floridacav...@yahoogroups.com, cav...@cs.yale.edu, moca...@lists.umsl.edu
Subject: [Texascavers] Mars Caves Forged by Volcanoes and Meteors
Date: Tue, 30 Oct 2007 12:48:21 -0400
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Mars Caves Forged by Volcanoes and Meteors
Larry O'Hanlon, Discovery NewsOct. 29, 2007 -- If Mars looks like a primordial Earth-on-ice, the similarity ends just below the surface where Martian caves are borne not of slow dripping processes but from brief, intensely violent times, say researchers.Oct. 29, 2007 -- If Mars looks like a primordial Earth-on-ice, the similarity ends just below the surface where Martian caves are borne not of slow dripping processes but from brief, intensely violent times, say researchers.
Full article at:
Roger Moore
Houston
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