VIRGO: vim, ze to jsou kratery, ale vidim samy vystoupliny...
Do You See a Mountain or a Crater in This Picture?
http://www.universetoday.com/118616/do-you-see-a-mountain-or-a-crater-in-this-picture/
Thanks to our brains, this is a common illusion! Depending on the angle of the Sun when the picture was taken, images of craters taken from overhead (i.e. from orbit) may appear to be a mountain. Here on Earth, we’re used to seeing sunlight coming from overhead, and our brain interprets what we see with the assumption that the sunlight *must* always come from above. Satellite photos of terrain, however usually only show shadows when the light source is nearly horizontal with the surface.
There’s an easy fix for this illusion: flip the image over so it appears the sunlight is coming from above.