Reiner (crater)
Lunar Orbiter 4 image
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| Coordinates | 7°00′N 54°54′W / 7.0°N 54.9°WCoordinates: 7°00′N 54°54′W / 7.0°N 54.9°W |
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| Diameter | 30 km |
| Depth | 2.6 km |
| Colongitude | 55° at sunrise |
| Eponym | Vincentio Reinieri |
Reiner is a lunar impact crater on the Oceanus Procellarum, in the western part of the Moon. It has a nearly circular rim, but appears oval in shape due to foreshortening. The rim edge is well-defined and has not been eroded by impacts. In the midpoint of the irregular crater floor is a central peak. Outside the rim is a hummocky that extends out across the mare for about half a crater diameter.
To the west-northwest of the crater on the Oceanus Procellarum is the unusual feature Reiner Gamma, a fish-shaped surface marking of ray-like material with a high albedo.
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Reiner.
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Wikipedia