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

The 'doorway' seen on Mars is not for aliens. Here's how it really formed.

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2022-05-15 01:30:05

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 Hodgson, 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. 

Several colorized images have been made from the original black-and-white one, including a panorama made by stitching several of Curiosity's photographs together, as seen on Gigapan.com, the website of a panoramic photography company.

Several clues make it clear that the subject of the image is not an actual door: For a start, it's less than 3 feet (1 meters) high, planetary geologist Nicholas Mangold of the University of Nantes in France told Live Science in an email. 

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