Just what are these unusual objects all equally spaced?
Below that is a comparison of the tracks made by Opportunity provided by the Navcam camera. Look at how busy this place is and all of the questions it raises.
Below is from Opportunity panorama image Sol 1641 using filters 2,5 & 7. Adjustments were made to enhance the image.
I thought about the horizontal tracks belonging to the rover but then noticed there was a track missing. If the rover had made a right turn there should be a track across the rovers last tracks in two places and not just at the very end. Yes, the arcing track parallel with the straight deep track must have been a motorcycle that went in on the top of the old rover track and out before the rover backed out. according to NASA: "Opportunity climbed back out on sol 1634 (Aug. 28, 2008). To do so, Opportunity retraced the wheel tracks the robotic geologist had made while crossing a large sand ripple and entering Victoria on the slopes of an alcove known as "Duck Bay."
I think the only thing we can be certain of are the tracks made by a motorcycle. Nasa could argue the others are the rovers own.
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