[Nmcaver] Mars caves

[Minton, Mark]

      John Lyles said:

>NASA's Mars orbiters have spotted "skylights" apparently leading to cavernous underground spaces on Mars. The discovery is fueling interest in potential underground habitats and sparking searches for caverns elsewhere on the Red Planet.

           As far as I can tell, those are the same 7 black holes that have been in the news for several months.  See <http://www.space.com/scienceastronomy/070402_mm_mars_caves.html>. 

Mark Minton
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