This photograph could be the source of conspiracy theories about traces of extra-terrestrial life. Meanwhile, the black spot in the photo is the place of impact of the lander that crashed on Mars in 2016.
Stains on Mars
The latest photo from the HiRISE camera shows the place of the crater formed after the Schiaparelli lander. The black spot is definitely more visible after the dust and ash settled in this place.
The reason for Schiaparelli’s crash was a failure of his computer. It hit the Red Planet at 540 km / h creating a new crater on its surface.