Water on Mars any point in the year but would be ideal for solid carbon dioxide. The carbon dioxide melting in the warmer summer would yield liquid carbon dioxide which would then form the gullies. Even if gullies are carved by flowing water at the surface, the exact source of the water and the mechanisms behind its motion are not understood. The dry gullies are deep grooves etched into the slopes that are there year-round. There are many other features on Mars, and some of them change seasonally. In August 2011, NASA announced the discovery by undergraduate student Lujendra Ojha of current seasonal
Mars Surface Exploration specific designs. Other rover modeling tools exist at NASA’s and ESA’s concurrent engineering facilities that take the approach of interconnecting sophisticated software design environments to conduct detailed analyses of a particular mission. MSE's approach complements in-depth modeling techniques which, in return, assist in the validation of MSE's models at various points of the design space. MSE has been used to analyze various types of missions ranging from traditional rover missions (e.g. Mars Science Laboratory and ExoMars ) to Mars Sample Return-type missions and Lunar missions. Mars Surface Exploration Mars Surface Exploration (MSE) is a systems engineering tool for the design