Experts play down speculation of ‘secret passageway’ on Mars

And other stories from the stranger side of life

Mars

Scientists have been quick to dismiss a conspiracy theory that an image taken by Nasa’s Curiosity Rover shows an opening to a secret passageway on Mars. The Telegraph said the grainy image, taken last week by the mast-mounted camera on the rover, appears to show an opening with an arched lintel leading to a passageway with smooth walls. But Sanjeev Gupta, a professor of earth science at Imperial College London, said the hole was formed through “normal geological processes”.

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