Tags: Crater.
Aitken is a large lunar impact crater that lies on the far side of the Moon named for Robert Grant Aitken an American astronomer specializing in binary stellar systems. It is located to the southeast of the crater Heaviside and north of the unusual formation Van de Graaff. Attached to the southwest rim is Vertregt. To the southeast is the smaller Bergstrand.The inner wall of Aitken is terraced and varies notably in width with the narrowest portion in the southwest.