There is a strange door-like structure at the base of the mountain formation from a NASA image of Mars that is causing a stir. The first person to notice it wasn’t a NASA scientist, however, but rather a Russian reader of the portal R&D.Cnews, Alexander Novgorodov. Taking a closer look at an image taken by the spacecraft Mars Reconnaissance Orbiter, he noticed an unusual morphology, which looks strikingly like a manmade doorway.
Of course, the object’s intriguing form does not denote the presence of a real doorway, nor would it imply that the mountain formation is of artificial origin. That would make an incredible story indeed, but the likely cause it boring old weather erosion. However, the peculiarities are of interest due to their unique morphology.
Interestingly, the "door-like structure" isn't the only such feature on Mars. Another has been noticed on the much-discussed D&M Pyramid in Cydonia (in multiple images, ruling out spacecraft imaging defects). Artificial? Until we have more evidence, it's your call.
For additional images of the D&M Pyramid, click here.