altitude

A computer construction of what the north pole of Mars looks like. The picture was constructed from measured altitude data. A spiral landscape is seen that is colored red but is mostly covered with white ice. Please see the explanation for more detailed information.
火星北极的计算机建模图。该图基于测量的高度数据构建。图中可见一个螺旋状地貌，颜色为红色，但大部分被白色冰层覆盖。有关更多详细信息，请参阅说明。