|Is this a picture of Mars or Earth?
Oddly enough, it is a picture of
What may appear to some as a
is in fact a formation of
ancient layered hills and wind-blown sand on
The above-pictured region spans about three kilometers in
What created the layers of
is still a topic of research.
Viable hypotheses include
ancient epochs of
deposit either from running water or wind-blown sand.
sandstorms have smoothed and
eroded the structures more recently.
The "water" that appears near the bottom is
actually dark colored sand.
The image was taken with the
Mars Global Surveyor spacecraft that
around Mars from 1996-2006 and returned over
Malin Space Science Systems,