... Credit Copyright: HiRISE , MRO , LPL (U. Arizona) , NASA Explanation: Who's been marking up Mars? ... Newly formed trails like these had presented researchers with a tantalizing martian mystery but are now known to be the work of miniature wind vortices known to occur on the red planet - martian dust devils . ... On Mars , dust devils can be up to 8 kilometers high . Dust devils have been credited with unexpected cleanings of mars rover solar panels. ... Publications with keywords: Mars . ...