A still image captured by the Mars rover is stirring up a debate. Check out the picture and decide for yourself what it might be.
Some say the images resembles bigfoot, and that it may be a living being walking with its head tilted to the side.
Others say it looks like a rock. The image was taken in 2004 by NASA's roving robot, "Spirit." These images were discovered recently on a Chinese web site.
Check out the ABC News Video.
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