Meton is a compound formation on the Moon that consists of several merged crater rings that have been flooded with basalt, forming the remnant of a walled plain in the shape of a clover leaf. It is lo
Oblique view of Meton from Lunar Orbiter 4. Meton is below center, Meton D is below left of center, Meton C is in upper left, and Meton E is at right. They are all flooded to the same elevation, and the subtle ridges that divide these craters are barely visible in this image.