Impact craters take a wide variety of shapes, usually varying from circular to elliptical. The shape of Ryder crater is not either, it might best be called a snowman. But how? It formed on a steep ridge, which certainly was a factor. Perhaps it formed by the impact of a split asteroid? As with most complicated geologic problems, the real answer is likely some combination of processes.
|Long:||143.33°||Image Width:||22.0 km|
|Location in exhibit:||Lunar Vistas||Image ID:||M176670797LR|
|Image Width:||22.0 km|
|Location in exhibit:||Lunar Vistas|
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