Mais ilusões ópticas em Marte?

http://www.dailymail.co.uk/sciencetech/article-3634872/Is-Big-Foot-s-skull-Mars-Conspiracy-theorists-spot-strange-shaped-alien-rock-Nasa-images-red-planet.html


Citando:
"Pareidolia is the psychological response to seeing faces and other significant and everyday items in random stimulus.
It is a form of apophenia, when people see patterns in random, unconnected data.
There have been multiple occasions when people have claimed to see religious images and themes in unexpected places.
On the red planet, one of the most famous is the 'face on Mars' spotted by one of the Viking orbiters in 1976.
This was later proven to just be a chance alignment of shifting sand dunes."