Mars retains some water, in the ground as well as thinly in the atmosphere, forming cirrus clouds, fog, frost, larger polar regions of permafrost and ice caps (with seasonal co2 snow), but no bodies of … Although mars is a small planet †its radius is just a little over half of earth's †we now know that it boasts scenery on a scale that makes mount everest and the grand canyon seem unimpressive by … Across a whole planet, generalisation is not possible, and the geography of mars varies considerably.

Northern plains flattened by lava flows contrast with … The most obvious geomorphic feature of mars is the dichotomy between its northern lowlands and southern highlands. There are three clearly visible impact basins: Argyre and hellas in the south, and … Mars has not only the highest highs, but also some of the solar system’s lowest lows. Southeast of olympus mons lies valles marineris, the red planet’s iconic canyon system.

Mars has not only the highest highs, but also some of the solar system’s lowest lows. Southeast of olympus mons lies valles marineris, the red planet’s iconic canyon system.