Terrain
In space and astronautical engineering, terrain refers to the physical characteristics of the surface of a celestial body, such as a planet, moon, or asteroid. This includes features such as mountains, valleys, craters, and plains. Understanding the terrain of a celestial body is important for planning and executing missions, as it can affect the safety and success of landing, roving, and exploring. Terrain data can be obtained through remote sensing techniques, such as radar and lidar, as well as through direct observation by spacecraft and rovers. Terrain analysis is also important for identifying potential resources, such as water ice, and for selecting landing sites for future human missions.
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