Bridgman (crater)

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Bridgman
Normal bridgman-large.jpg
Clementine mosaic
Coordinates 43°23′N136°59′E / 43.39°N 136.98°E / 43.39; 136.98
Diameter 81.89 km (50.88 mi)
Depth Unknown
Colongitude 223° at sunrise
Eponym Percy W. Bridgman
Oblique Lunar Orbiter 5 image mosaic Bridgman crater 5124 h3 med.jpg
Oblique Lunar Orbiter 5 image mosaic

Bridgman is a lunar impact crater that is located on the far side of the Moon. It lies in the northern hemisphere, to the northwest of the crater Kurchatov. To the west-southwest is the old formation Becquerel, and eastward are the craters Pawsey and Wiener.

Contents

The prominent outer wall of Bridgman is only somewhat worn, and retains much of its original detail including traces of terrace structures and slumping. The rim is not quite circular, having a slight polygonal appearance with rounded corners. There is a notable inward bulge of the wall at the south end. The interior floor is generally level, with a central peak formation at the midpoint.

Prior to formal naming by the IAU in 1970, [1] Bridgman was called Crater 52. [2]

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Bridgman.

BridgmanLatitudeLongitudeDiameter
C46.7° N140.2° E35 km
E44.1° N141.7° E29 km
F44.0° N141.2° E51 km
Bridgman E crater has a sharp rim and is relatively fresh. Bridgman E crater 5124 h3.jpg
Bridgman E crater has a sharp rim and is relatively fresh.

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References

  1. Bridgman, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
  2. Lunar Farside Chart (LFC-1A), 2nd Edition October 1967