Tags: Crater.
Lyman is a lunar impact crater that lies in the southern hemisphere on the far side of the Moon. It is located to the south of the huge walled plain Poincaré and to the northeast of Schrödinger another walled plain. To the east-southeast is the larger crater Minnaert.The rim of Lyman has not been significantly worn and has a well-defined edge and interior features that have not been eroded through impacts.