Tags: Crater.
Ctesibius is a small lunar impact crater that is located near the equator on the far side of the Moon. It lies between the larger crater Abul Wáfa to the west and the slightly smaller Heron to the east.The outer wall of Ctesibius is wide and sharp-edged with little erosion. A low ridge is attached to the southern rim and curves to the south-southeast. At the center of the relatively flat interior is a low ridge.