![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Main_erlanger_crater_large.jpg/640px-Main_erlanger_crater_large.jpg&w=640&q=50)
Permanently shadowed crater
Permanently shadowed region of a body in the Solar System / From Wikipedia, the free encyclopedia
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A permanently shadowed crater is a depression on a body in the Solar System within which lies a point that is always in darkness.[1][2]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Main_erlanger_crater_large.jpg/640px-Main_erlanger_crater_large.jpg)
As of 2019, there are 324 known permanently shadowed regions on the Moon.[3] Such regions also exist on Mercury[4] and Ceres.[5]