I always thought they were concaved, but when you look at them as convexed, they dont look like craters at all, they look like huge rocks/ meteorites that are protruding from the ground.
I noticed this long ago, but just remembered whilst looking at some pics.
Take a look at this pic on the ESA (European Space Agency) website, make sure you zoom in on it when its downloaded, this ones about 2 meg>
http://esamultimedia.esa.int/images/marsexpress/224co01HellasRem_H.jpg
2006-10-05
17:12:50
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12 answers
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asked by
m c
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