The rover, she says, has a particular wheel mechanism – known as rocker bogie – which signifies that all its wheels do not transfer collectively, serving to it traverse up and down, however it might not have the ability to climb out if it falls right into a deep crater. So it is essential to make it go across the craters and even retrace its steps. And that, Ms Mitra provides, is finished by scientists on the command centre who’re “watching the Moon by means of the rover’s eyes”.