Angular structures - signs of Intelligent Life on mars.
Angular structures seem very rare, and there are few if any features that could be attributed to a sign of intelligent life.
Resolution * 1.42 meters/pixel
But this does look like a pattern of field boundaries, with a settlement top left of centre, and a circular pen on the junction of three walls atthe bottom left.
Notice how the walls cross the underlying geology.
The following may have a more natural explanation.
Resolution * 2.84 meters/pixel
If these are dunes, the black structure at the point of each is only afew metres wide.
But I must admit that the angular structures on the next do have me puzzled.
Especially as there also appear to be distinct trails running over thelandscape.
Copyright Peter Thomson 2001 -2004