Protonilus Mensae is an area of Mars in the Ismenius Lacus quadrangle. It is centered on the coordinates of 43.86° N and 49.4° E. Its western and eastern longitudes are 37° E and 59.7° E. North and so
Tributary Glacier, in Protonilus Mensae as seen by HiRISE.
Wide view of dunes in Moreux Crater, as seen by HiRISE under HiWish program
Enlarged view of dunes on the bottom of the previous image, as seen by HiRISE under HiWish program
Close view of white spot among the dark dunes showing ripples and streaks
The Martian dichotomy is a geomorphical feature of Mars, characterized by the contrast between the Southern and the Northern hemispheres. The two hemispheres' geography differ in elevation by 1 to 3 k
Mars topography with poles Hi Res