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  • MIA032: Wheels and Axle

MIA032: Wheels and Axle



MR Report Ref: MIA032

Report date: July-August 2017

Research Status: Open - Possible mechanical artefact

Description: Wheels and Axle
Approximate size: 15 cm
Mission: Curiosity Rover
Location: Gale Crater

Found by: Thomas M. S. Jensen

Image date: Sol 729, Aug 2014
Image credit: NASA/JPL-Caltech/MSSS

Graphics/image editing: M. J. Craig

Image source:


If ever we could set nature an impossible task of eroding rock to look like a manufactured object, then surely ‘a set of wheels’ would be it. Frustratingly this object is too far away to permit closer examination in fact I almost chose not to present it due to the lack of detail, but there is certainly enough to raise an eyebrow and more.


As well as the compelling circular wheel shape, there is a strong hint too of an inner circle, which strengthens the possibility that it could be exactly what it appears to be. There is also a suggestion of some other geometrical shapes just behind the "wheels", which may indicate a mechanical junk pile of sorts.


​An optical illusion caused by the limits of the image resolution. Just round rocks and shadow-play.

MIA032.1 Wheels and axle - Curiosity Rover, Sol 729, Aug 2014

​Image credit: NASA/JPL-Caltech/MSSS

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