Breislak (crater)

Breislak
Lunar Orbiter 4 image
Coordinates48°12′S 18°18′E / 48.2°S 18.3°E / -48.2; 18.3
Diameter48.64 km (30.22 mi)[1]
Depth2.6 km (1.6 mi)
Colongitude342° at sunrise
EponymScipione Breislak

Breislak is a lunar impact crater that lies within one crater diameter north-northwest of the crater Baco, in the southern part of the Moon.[2] To the north-northwest is the crater Barocius, and to the west lies Clairaut.[3]

The rim of Breislak has been heavily worn by subsequent impacts, and several small craterlets lie along the outer wall. One of these craters has cut a notch in the southeast wall, and there are craterlets to the northeast and southwest of this break. A small crater lies on the inner face of the northern wall. The inner surface is roughly level, but pock-marked by several tiny craterlets.[4]: 127 

This formation is named after Italian chemist, geologist, and mathematician Scipione Breislak (1748-1826). His name was introduced into lunar nomenclature by Johann F. J. Schmidt in 1878.[5] Its designation was officially adopted by the International Astronomical Union in 1935.[1]

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 Breislak.[6]

Breislak[4]: 294  Latitude Longitude Diameter
A 47.0° S 17.4° E 7 km
B 47.6° S 18.1° E 7 km
C 48.9° S 18.8° E 6 km
D 48.0° S 18.7° E 5 km
E 47.7° S 19.1° E 8 km
F 48.4° S 19.4° E 7 km
G 46.9° S 19.1° E 16 km

References

  1. 1 2 "Breislak". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. ↑ Moore, Patrick (2001). On the Moon. Sterling Publishing Co. p. 212. ISBN 978-0-304-35469-6.
  3. ↑ The crater lies along the boundary of two charts:
    • "LAC 113" (PDF). Gazeteer of Planetary Nomenclature. Retrieved 2026-06-16.
    • "LAC 127" (PDF). Gazeteer of Planetary Nomenclature. Retrieved 2026-06-16.
  4. 1 2 Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
  5. ↑ Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. p. 224. ISBN 978-0-521-62248-6.
  6. ↑ Grego, P. (2015). "Satellite Crater". In Hargitai, H.; Kereszturi, Á. (eds.). Encyclopedia of Planetary Landforms. New York, NY: Springer. doi:10.1007/978-1-4614-3134-3_328.

Sources

  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.
  • Wikimedia Commons logo Media related to Breislak (crater) at Wikimedia Commons
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