http://www.dailymail.co.uk/sciencet...-reveal-obscene-penis-picture-red-planet.html Jeremy Clarkson would be proud: Did Nasa's rover draw a 'gentleman sausage' on Mars? It is a stunt Jeremy Clarkson would be proud of. A Nasa exploration rover trawling Mars for signs of life appears to have left behind an interesting sign of its own. The hilarious image, which is believed to be real, was spotted on Nasa's website, where mischievous engineers had even placed it on one of the mission's homepages.