Borel (crater)

Borel
Apollo 17 image
Coordinates22°18′N 26°24′E / 22.3°N 26.4°E / 22.3; 26.4
Diameter4.66 km (2.90 mi)[1]
Depth0.84 km (0.52 mi)[2]
Colongitude334° at sunrise
FormationEratosthenian[3]
EponymÉmile Borel
Oblique Apollo 17 image of Borel

Borel is a tiny lunar impact crater located in the southeast part of Mare Serenitatis. To the northeast is the crater Le Monnier and to the south is the crater Dawes.[4]

On the lunar geologic timescale, this formation dates to the Eratosthenian period.[3] It is a roughly circular, cup-shaped formation with inner floors that slope down to the midpoint of the crater. The interior has a higher albedo than the surrounding dark lunar mare.[5]

This crater was named after French mathematician Émile Borel (1871-1956). Before its designation was adopted by the International Astronomical Union in 1976,[1] it was identified as Le Monnier C.[6]

References

  1. 1 2 "Borel". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. ↑ Croft, S. K. (1978). Lunar crater volumes: Interpretation by models of impact cratering and upper crustal structure. Lunar and Planetary Science Conference, 9th, Houston, Tex., March 13-17, 1978, Proceedings (A79-39253 16-91). Vol. 3. New York: Pergamon Press, Inc. p. 3711–3733. Bibcode:1978LPSC....9.3711C.
  3. 1 2 Settle, M.; Head, J. W. (June 10, 1979). "The role of rim slumping in the modification of lunar impact craters". Journal of Geophysical Research. 84: 3081–3096. Bibcode:1979JGR....84.3081S. doi:10.1029/JB084iB06p03081.
  4. ↑ "LAC 42" (PDF). Gazeteer of Planetary Nomenclature. Retrieved 2026-06-14.
  5. ↑ Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. p. 42. ISBN 978-0-521-81528-4.
  6. ↑ Moore, Patrick; Rees, Robin (2014). Patrick Moore's Data Book of Astronomy (2 ed.). Cambridge University Press. p. 54. ISBN 978-1-139-49522-6.

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.
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