http://www.space.com/php/multimedia/imagedisplay/img_display.php?pic=050822_rover_view_02.jpg&cap=Spirit+Mars+rover+has+rolled+into+position+for+a+grand+view+atop+Husband+Hill.+Note+dust+devils+scooting+by+across+the+Gusev+crater+landscape.+A+dust+devil+is+much+like+a+tornado+on+Earth.+Credit%3A+NASA%2FJPL