好奇号登陆火星有多难？

Part of a large rock on Mars is shown being mostly orange. On the rock are several irregular light-colored areas surrounded by a dark border. The spots are only millimeters across but might carry big implications. Please see the explanation for more detailed information.
火星上一块大岩石的一部分被显示为橙色。岩石上有几个不规则的浅色区域，周围有一圈深色边框。这些斑点只有几毫米大小，但可能具有重大意义。有关更多详细信息，请参阅说明。