You may remember the $2.5 billion Curiosity rover currently drilling rocks on the Red Planet already found strange shiny things and what was labelled a 'Martian Flower'.
But if anything, this is even weirder.
An image posted by Nasa on 30 January and taken with the right Mastcam on Curiosity shows what appears to be a 0.5cm metal spoke protruding out of a rock.
The strange sight - which looks a bit like a robotic arm - was noticed by imaging editor Elisabetta Bonora from Italy.
![Posted Image](http://i.huffpost.com/gen/979389/thumbs/r-8441458081_9F48BAAB8B_O-large570.jpg?6)
http://www.huffingtonpost.co.uk/2013/02/07/mars-rover-spots-metallic-arm_n_2637990.html
Pretty neat and fascinating.
Edited by Zinix, 08 February 2013 - 12:08 PM.