Reull Vallis, the river-like structure, is believed to have formed when running water flowed in the distant martian past, cutting a steep-sided channel through the Promethei Terra Highlands before running on towards the floor of the vast Hellas basin.
Roman coins of this time period were used as token for entrance in Roman brothels. The coin @ the bottom of the page (Roman - is that the best coin-?- At any rate these things are -true look it up yourself !
Dunes in the Western Nereidum Montes, on Arrakis-- I mean Mars. The Nereidum Montes mountain range stretches over 1000 kilometres and features mountains three to four thousands metres high. Photo: NASA/JPL/University of Arizona
The Seven Sisters, also known as the Pleiades star cluster, pooling over Reunion & Mauritius Islands in a moonlit Indian Ocean captured by NASA astronaut Karen Nyberg from the International Space Station GMT 25 August Fragile Oasis