Beer (lunar crater)

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Short description: Lunar impact crater
Beer
Feuillee crater Beer crater AS15-M-1144.jpg
Apollo 15 Mapping Camera image with Feuillée at left and Beer at right
Diameter10 km
Depth1.7 km
Colongitude9° at sunrise
Oblique view from Apollo 15 Panoramic Camera
Lunar dome south of Beer crater

Beer is a relatively small lunar impact crater located on the Mare Imbrium, to the east of the crater Timocharis. It was named after German astronomer Wilhelm W. Beer.[1] Just to the northwest is the matching twin Feuillée.

Beer is a circular, cup-shaped crater with a sharp-edged rim that has not been significantly eroded. The interior has a higher albedo than the surrounding lunar mare, which is usually an indication of a relatively young crater. A string of craters arc away from the rim to the southeast, which then grade into a straight rille, and were once known as Fossa Archimedes or Archimedes Rille, but now are officially unnamed.

The mare to the east has a higher albedo than the surrounding surface, and this lighter-hued surface reaches to the base of the Montes Archimedes. To the southeast of Beer is a lunar dome that is of comparable diameter to the crater.

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 Beer.

Beer Latitude Longitude Diameter
A 27.2° N 8.6° W 4 km
B 25.7° N 9.0° W 2 km
E 27.8° N 7.8° W 3 km

External links

References

  1. "Beer (lunar crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.




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