Last week, NASA's Curiosity Rover took a picture of a doorway carved into the Mars rock.
Curiosity was on its way up Mount Sharp. Mount Sharp's official name is Aeolis Mons, but NASA gave it the nickname "Sharp" after famed geologist Robert P. Sharp. Below is a panoramic shot of Mount Sharp.
The Curiosity Rover
Curiosity landed on Mars in 2012 in the Gale Crater, and has covered just over 17 miles in the 3,472 Martian days it's been there. It's taken more than 855,000 images since landing. The doorway photo was taken with its MastCam (for Mast + Camera)
The MastCam is a two-instrument suite of imaging systems mounted on the rover's Remote Sensing Mast. An updated version of the MastCam was installed on Perseverance, NASA's latest rover to land on Mars.
The Doorway on Mars
A project scientist from the Mars Science laboratory, Ashwin Vasavada, said it's essentially just the space between two fractures in a rock, but... really? Look at how perfect the cuts in the rock are. It really seems intentional.
“I think what we have here [is] either two vertical fractures, where the middle piece has been removed, or one vertical fracture, and the blocks have moved apart a little bit,” Vasavada said. How was the middle piece removed though? Definitely suspicious.