Nuvem estranha em Marte

http://m.esa.int/spaceinimages/Images/2018/10/Elongated_cloud_on_Mars

Citando:
"Since 13 September 2018, the Visual Monitoring Camera (VMC) on board ESA’s Mars Express has been observing the evolution of a curious cloud formation that appears regularly in the vicinity of the 20 km-high Arsia Mons volcano, close to the planet’s equator. The cloud can be seen in this VMC image taken 10 October as the white, elongated feature extending 1500 km westward of the volcano.

A view of the region with labels is provided here.  "