By the way ~ on a more serious note ~ how do you get a giant mountain (Mt. Sharp) made out of eroded sedimentary layers ~ in the middle of a giant (presumably) ancient crater?
Still can’t wrap my mind around Martian geology.
http://en.wikipedia.org/wiki/Gale_%28crater%29
http://en.wikipedia.org/wiki/Impact_crater
First is where Curiosity is parked and talks about the central peak, second is impact craters in general.
Big rocks come down and blow out craters. Mars’ entire surface is cratered, and separated into two parts, the Hemisphere of Craters, and the Opposite Hemisphere.
Red Planet’s Ancient Equator Located
http://www.freerepublic.com/focus/chat/1390424/posts
Meteorite Impacts Expose Ice on Mars
http://www.freerepublic.com/focus/chat/2348247/posts
NASA unveils ‘stunning’ close-ups of massive crater on Mars - Victoria crater
http://www.freerepublic.com/focus/news/1715286/posts
Scientists Baffled by ‘Bootprint’ on Mars
http://www.freerepublic.com/focus/news/2580612/posts
Wind and water have shaped Schiaparelli on Mars
http://www.freerepublic.com/focus/chat/2640637/posts