关于这张图
This map shows all the quadrant themes for NASA's Curiosity Mars rover, which is currently in the Roraima quadrant seen at the bottom. The red oval indicates the landing ellipse where the rover was targeted to touch down in 2012. The yellow-tinted quadrants are areas the rover has driven through since then. Themes are chosen in advance of the rover's arrival in a new quadrant; the rover's path couldn't be planned until after the team knew where it landed. Martian latitude and longitude is provided around the outside of the map. With the Curiosity mission, scientists began using quadrant theme…