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Dryden (crater)

From Wikipedia - Reading time: 7 min
Dryden
Oblique Lunar Orbiter 5 image
Coordinates33°00′S 155°12′W / 33.0°S 155.2°W / -33.0; -155.2
Diameter51 km
DepthUnknown
Colongitude156° at sunrise
EponymHugh L. Dryden

Dryden is a lunar impact crater located in the southern hemisphere on the far side of the Moon. It lies within the huge walled plain called Apollo and is one of several features within that basin named after people associated with the Apollo program. Apollo itself has an inner ring, and Dryden is attached to the west-northwest part of that circular mountain formation. To the south of Dryden along the same range is the crater Chaffee.

The perimeter of Dryden forms a crude circle with an irregular shape due to several small outward bulges. The most notable of these is along the eastern side where the rim has slumped inwards. The rim is not significantly worn, and displays a sharp edge. Attached to the southeastern exterior is the ridge forming part of the inner ring of Apollo. The northeastward extension of this ring is less well defined, but appears to begin at the eastern rim.

Much of the inner wall of the crater consists of a gently sloping inner surface with a pile of debris along the bottom, forming a ring around the interior floor. Offset slightly northeast of the midpoint is a central peak formation. The remainder of the interior is marked only by a few tiny craterlets.

Satellite craters

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By convention these features are identified on Lunar maps by placing the letter on the side of the crater midpoint that is closest to Dryden.

Dryden Latitude Longitude Diameter
S 33.8° S 158.8° W 30 km
T 32.8° S 158.6° W 35 km
W 31.0° S 158.5° W 30 km

References

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  • Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
  • Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
  • Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
  • Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1.
  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.
  • 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.
  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.
  • 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.
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.
  • 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.
Licensed under CC BY-SA 3.0 | Source: https://en.wikipedia.org/wiki/Dryden_(crater)
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