Megadunes in Hyperborei Cavi. A cavus is an irregular steep-sided depression usually in arrays or clusters. Plus: MEGADUNES!
HiRISE Picture of the Day archive. [More at links]
Megadunes in Hyperborei Cavi. A cavus is an irregular steep-sided depression usually in arrays or clusters. Plus: MEGADUNES!
HiRISE Picture of the Day archive. [More at links]