Geological Chronicle
Weierstrass is a small lunar impact crater that is attached to the northern rim of the walled plain named Gilbert, in the eastern part of the Moon. The formation spans an official diameter of 31.32 kilometers.
It also lies very near the crater Van Vleck, a similar formation just to the southeast that is almost attached to the outer rim. It is recorded in the IAU Gazetteer under quadrangle LAC-81.