Barkla (crater)

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Barkla
Barkla moon crater.jpg
Barkla (upper center) from Apollo 15. The smaller, brighter crater at upper left is Langrenus M. NASA  photo.
Coordinates 10°42′S67°12′E / 10.7°S 67.2°E / -10.7; 67.2
Diameter 42 km
Depth Unknown
Colongitude 293° at sunrise
Eponym Charles G. Barkla

Barkla is a lunar impact crater that lies near the eastern limb of the Moon. It is located to the east of the prominent crater Langrenus, and was formerly designated Langrenus A before being renamed by the IAU in 1979. [1] Due east of Barkla is Kapteyn, a formation only slightly larger with a similar size. Southwest of Barkla is the crater Lamé.

Contents

The rim of Barkla is very nearly circular, although it is slightly elongated to the northeast and southwest. The wall shows little appearance of erosion from subsequent impacts, and is not overlain by any craterlets of note. At the midpoint of the floor is a central peak, which joins a low ridge running to the south and northeast.

References

  1. ↑ Barkla, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)

Sources

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  • 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 (2): 136–186. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. S2CID   122125855.
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  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN   978-0-913135-17-4.
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  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN   978-0-521-62248-6.
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN   978-1-85233-193-1.


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