In the images for Spirit Sol 079 Pancam the very first 2 pairs are of
a dark sky with a point of light. In 3 of the images there is a
second one. The image below has only the brightest one:

http://marsrovers.jpl.nasa.gov/galle...2P2737L1M1.JPG

Does anyone know what this might be, the Earth perhaps?

Thanks
F