Langley (crater)

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Crater characteristics
Coordinates	51.1° N, 86.3° W
Diameter	59 km
Depth	Unknown
Colongitude	87° at sunrise
Eponym	Samuel P. Langley

Langley is a lunar crater that is located close to the northwestern limb of the Moon, and from the Earth is viewed from the edge. It is located in the gap between Galvani crater which lies across the southeast rim, and Volta crater along the northeast rim. Just to the northwest is the Stokes crater.

The rim of Langley has been heavily damaged by nearby impacts, and the result is an irregular perimeter that has been reshaped and heavily eroded. The Galvani crater is intruding into the southeastern part of the floor, having overlaid that section of the rim. To the northeast is a pair of craters designated 'Langley J' and 'Langley K'. These lie proximal to each other, along the inner side of the rim shared with Volta. The western arc of the rim is the most intact section, although several small craters lie across the rim and along the sides. The interior floor of Langley is relatively featureless, with only a few craterlets.

[edit] Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Langley crater.

Langley	Latitude	Longitude	Diameter
J	51.7° N	85.2° W	20 km
K	52.0° N	86.3° W	20 km

[edit] References

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• Blue, Jennifer (July 25, 2007). Gazetteer of Planetary Nomenclature. USGS. Retrieved on 2007-08-05.
• Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 0-521-81528-2. 
• Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 0-936389-27-3. 
• McDowell, Jonathan (July 15, 2007). Lunar Nomenclature. Jonathan's Space Report. Retrieved on 2007-10-24.
• Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by The Working Group of Commission 17 of the IAU". Space Science Reviews 12: 136. 
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• Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 0-521-62248-4. 
• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 1852331933.