Tags: Crater.
Doppler is a lunar impact crater named for Christian Doppler that is located at the southern edge of the walled plain Korolev on the far side of the Moon. To the east are the craters Das and Galois. Farther to the southwest of Doppler is Mohorovičić.The rim of Doppler has a somewhat polygonal form and a smaller crater is joined with the inner side of the northeast wall.
