Bilharz (crater)

Bilharz
Lunar Reconnaissance Orbiter image
Coordinates5°50′S 56°20′E / 5.83°S 56.34°E / -5.83; 56.34
Diameter44.55 km (27.68 mi)[1]
Depth2.1 km[2]
Colongitude304° at sunrise
EponymTheodore M. Bilharz
Oblique view of Bilharz (top), Atwood (lower left), and Naonobu (lower right), from Apollo 11

Bilharz is a lunar impact crater that lies in the eastern part of the Mare Fecunditatis. It is the largest member of a close triple-crater formation with Atwood to the east and Naonobu to the northeast. To the southeast is the crater Langrenus.[3]

The interior of this crater has been resurfaced by basaltic lava, leaving the floor flat,[4] shallow, and nearly featureless with just a few very small sub-craters. There is no central peak at the midpoint. The outer rim remains circular and only slightly worn.[5][6]

This crater is named after German doctor and zoologist Theodore M. Bilharz (1825-1862). Prior to being named by the International Astronomical Union in 1976,[1] this crater was identified as Langrenus F.[7]

References

  1. 1 2 "Bilharz". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. ↑ LTO-80A3 Lunar Topographic Orthophotomap 80A3, Bilharz
  3. ↑ Bharti, Rishikesh; et al. (February 2014). "Compositional diversity of near-, far-side transitory zone around Naonobu, Webb and Sinus Successus craters: Inferences from Chandrayaan-1 Moon Mineralogy Mapper (M3) data". Journal of Earth System Science. 123 (1): 233–246. Bibcode:2014JESS..123..233B. doi:10.1007/s12040-013-0377-9. See Figure 1.
  4. ↑ Lacroux, Jean; Legrand, Christian (2003). Discover the Moon. Cambridge University Press. p. 42. ISBN 978-0-521-53555-7.
  5. ↑ Grego, Peter (2005). The Moon and How to Observe It. Astronomers' Observing Guides Series. London: Springer-Verlag. p. 218. ISBN 1-85233-748-6.
  6. ↑ Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. p. 80. ISBN 978-0-521-81528-4.
  7. ↑ Moore, Patrick; Rees, Robin (2014). Patrick Moore's Data Book of Astronomy (2 ed.). Cambridge University Press. p. 53. ISBN 978-1-139-49522-6.
  • LTO-80A3 Lunar Topographic Orthophotomap 80A3, Bilharz
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