http://www.ufoandparanormalnews.com/Government-Stories/curiosity-photographs-strange-shadows-on-mars/ The photo that interests us here. It was taken by the robot on the ground on Mars "Curiosity" on 04 October 2013, posted on the official website here on 04 October 2013. The details of the photo are: Sun, 06 Oct 2013 21:14:46 UTC en