Theon Junior (crater)

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Theon Junior is an impact crater west-southwest of the crater Delambre. Together with the few crater diameter in north- northwesterly direction away Theon Senior crater it forms a pair of twins.

Theon Junior is circular and bowl -shaped. At the foot of its steep inner walls there is a small crater floor.

The crater is named after the Greek astronomer and mathematician Theon of Alexandria.