NASA's Opportunity rover snaps a rare self-portrait

I look forward to the day we're all watching as a human steps off a space craft on Mars- pats the Rover on the head and says- 'That'll do.'

NASA's Opportunity rover snaps a rare self-portrait

It's one of the most impressive photographs of Mars' Endeavour crater ever taken- but the image featured here is special for another reason- as well: it features the photographer (or- at least- the photographer's shadow). Operators of NASA's Opportunity rover waited for Mars' late-afternoon sun to…..