The ESA-Roscosmos ExoMars Trace Gas Orbiter captured the image on February 8 in the Terra Sabaea region of Mars. Using the Color and Stereo Surface Imaging System (CaSSIS) of the spacecraft, scientists discovered the blue phenomenon on the surface of Mars. The photo was shared on Twitter from ESA, where followers wondered if it was "life on Mars?" Was, but the space agency released a statement that reveals the true origin.
The so-called spider is actually a vast pattern that remains on a ridge because of a madness of dust devils, where hundreds or even thousands of whirlwinds were formed.
The statement said: "This remarkable image was made by CaSSIS in the Terra Sabaea region of Mars, west of Augakuh Vallis, aboard the ESA-Roscosmos ExoMars Trace Gas Orbiter.
"This mysterious pattern sits at the top of a ridge and is believed to be the result of the activity of the devilish devil – essentially the gathering of hundreds or perhaps thousands of smaller Martian tornadoes.
"This image is a composite color image where elements that are bluer compared to the average color of Mars are displayed in bright blue tones.
"In the actual color, the stripes would appear dark red. Dusty devils twist the surface material, making fresher material visible."
It is unknown why so many dust storms form along this edge, although it may have to do with the mountains in the region that influence the airflow.
The ExoMars orbiter, launched in 2016, also took a photo of NASA's InSight lander on March 3.
InSight is represented as a small, white dot in a dark circle of rocks scorched by the lander's rockets during the landing.
The heat shield and parachutes of InSight are also nearby.
Other photos from the ESA are well-preserved impact craters at the South Pole of Mars.
Nicolas Thomas, principal investigator of CaSSIS at the University of Bern in Switzerland, said: "All images that we share today represent some of the best of the last few months."
It comes after a number of bizarre claims about the Red Planet.
Earlier this month, the conspiracy theorist claimed that an "alien image" was spotted on a NASA photo.
Even stranger, outrageous claims have emerged that Mars was orbited by aliens after a discovery of a bomb at the right time.