Nernst (crater)

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Nernst

LRO mosaic
Coordinates	35°34′N 94°38′W / 35.57°N 94.64°W / 35.57; -94.64
Diameter	121.52 km (75.51 mi)
Depth	Unknown
Colongitude	96° at sunrise
Eponym	Walther H. Nernst

Nernst is a lunar impact crater that lies on the far side of the Moon, just beyond the northwestern limb. It lies across the northern part of the larger walled plain Lorentz, and intrudes slightly into the northwestern rim of the crater Röntgen.

The rim of Nernst is relatively well-defined, although several smaller impacts lies across the edge. The satellite crater Nernst T has broken through the western rim edge. Smaller craters also lie along the rim to the southwest and south-southeast. Around the remainder of the inner wall is some slumping and a few terrace-like features.

The interior of Nernst is relatively level, with a central peak formation offset slightly to the south of the midpoint. A pair of small craters lies on the interior floor along the western and southern inner edges. Parts of the remaining floor are marked by a series of rilles. In the southern half these rilles form grooves running generally from east to west.

Prior to formal naming by the IAU in 1970,^[1] Nernst was called Crater 183.^[2]