1. 
   Zambeef
   The Planum Boreum`s permanent ice cap has a maximum depth of 3 km (1.9 mi). It is roughly 1200 km (750 mi) in diameter, an area equivalent to about 1½ times the size of Texas. The Chasma Boreale is up to 100 km (62.5 mi) wide and features scarps up to 2 km (1.25 mi) high. For a comparison, the Gra...
   Found op http://en.wikipedia.org/wiki/Zambeef
   
   

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