Female Figure on Mars Just a Rock

The idea that there may be life on Mars has been around for centuries, but the theory got a dubious boost from recently released photos of the surface of Mars (taken by the NASA robot Spirit) apparently showing a human-like figure. Several Internet sites have glommed onto the image and suggested the figure could be alive.

But what is it? Just a rock, astronomers say.

It's hard enough to accurately recognize figures and faces across the room. Mars, depending on when you measure it, is about 35 million miles away. The best telescopes aren't of much help in determining surface features, and that's why NASA sent robots with cameras to Mars.
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