Tags: Crater.
Sommerfeld is a large lunar crater that is located in the far northern latitudes of the Moon. It lies on the far side and can only be viewed from orbit. To the south of Sommerfeld is Rowland a crater about the same size as Sommerfeld. Southeast of Sommerfeld is the huge walled plain Birkhoff.This crater belongs to a class of lunar features sometines termed a walled plain – that is it consists of a relatively flat interior surrounded by a ring mountain.