Plato is one of the most remarkable craters on the visible side of the moon. It has a diameter of 101 km and Plato's. walls rise up to an altitude of 2400 m. The south-western part of the rim shows a glided down part of stone, which is about 20 kilometers long. In the upper left part of the image, beyond the Mare Frigoris (The Sea of Cold), you can see the smaller crater Fontenelle as well as the huge Philolaus.