Daly (lunar crater)

Daly
Apollo 15 image
Coordinates5°44′N 59°30′E / 5.74°N 59.50°E / 5.74; 59.50
Diameter14.96 km (9.30 mi)[1]
Depth1.7 km
Colongitude301° at sunrise
EponymReginald A. Daly

Daly is a small lunar impact crater that is located in the eastern part of the Moon, to the northwest of the crater Apollonius.[2] This formation is relatively circular, with a slight inward bulge along the northern rim. The inner wall is wider in the southern half than in the north. The crater intrudes into the comparably sized crater Apollonius F to the east-southeast.[3]

The crater is named after Canadian-born American geologist Reginald Aldworth Daly (1871-1957).[1] Its designation was formally adopted by the International Astronomical Union in 1973. Previously, it was identified as Apollonius P,[4] a satellite feature of the crater Apollonius.

References

  1. 1 2 "Daly". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program. Retrieved 2026-07-22.
  2. ↑ "LAC 62" (PDF). Gazeteer of Planetary Nomenclature. Retrieved 2026-07-22.
  3. ↑ Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. p. 62. ISBN 978-0-521-81528-4.
  4. ↑ Moore, Patrick; Rees, Robin (2014). Patrick Moore's Data Book of Astronomy (2 ed.). Cambridge University Press. p. 57. 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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