Balmer (crater)
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Template:Short description Template:More footnotes
Balmer is the lava-flooded remains of a lunar impact crater. Only the heavily worn southern and eastern sections of the crater still survive; the remainder being overlaid by a lava flow that joins to the nearby mare. Balmer lies to the east-southeast of the crater Vendelinus.
Balmer was considered a Constellation Region of Interest.[1] Light plains deposits overly mare basalt, as evidenced by multiple dark-halo craters.[2]
Gallery
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Oblique view facing west from Apollo 17
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One of the more interesting features within Balmer is this 1-km wide impact crater with a prominent ray system, photographed by Apollo 14
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LRO image of the 1-km crater with rays within Balmer
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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 Balmer.
| Balmer | Latitude | Longitude | Diameter |
|---|---|---|---|
| M | 20.7° S | 71.5° E | 5 km |
| N | 19.9° S | 69.9° E | 8 km |
| P | 20.4° S | 67.7° E | 13 km |
| Q | 18.7° S | 70.5° E | 7 km |
| R | 18.7° S | 69.1° E | 4 km |
| S | 18.4° S | 67.6° E | 6 km |
References
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- ↑ Two-toned Impact Crater in Balmer Basin: A Reflection of the Target?, Lunar Reconnaissance Orbiter Camera article, 26 March 2010.
- ↑ Hawke, B. R., J. J. Gillis, T. A. Giguere, D. T. Blewett, D. J. Lawrence, P. G. Lucey, G. A. Smith, P. D. Supdis, G. J. Taylor (2005) Remote sensing and geologic studies of the Balmer-Kapteyn region of the Moon, Journal of Geophysical Research, 110. doi:10.1029/2004JE00283.
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