Al Raup describes it as similar to Arizona but at a higher altitude . We later learn from Alexei Krilov, one of the three Russian scientists who live in Marsograd, that it is similar to Datum Earth at an altitude of six miles.
Most of the lifeforms present on this planet comes from Earth lifeforms that travelled through the vacum of space (a phenomenon called panspermia).
Viewed from space, the planet is washed-out pink but oceans, lakes, rivers and the green of life are visible.
The sky was deep blue, apart from the horizon, where it went brown. There were small plants similar to cacti, but without spikes.