No, this is NOT a doorway for Martians. Although the internet erupted on Thursday after a photograph from NASA’s Curiosity rover appeared to show an “alien door,” experts are pretty sure it’s just a natural feature of the Martian landscape.
“This is a very curious image,” British geologist Neil Hodgkins, who has studied the geology of Mars, told Live Science. “But in short – it looks like natural erosion to me.”
Curiosity snapped the image with its Mast camera (“Mastcam” for short) on May 7, and it was released by NASA later in the week.
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