Descartes (crater)

Short description: Crater on the Moon

Descartes

LRO WAC mosaic

Diameter| 48 km
Depth| 0.9 km
Colongitude| 344° at sunrise
Selenochromatic Image (Si) of the crater area Lunar Orbiter 4 image with descartes in upper left. The bright patch northeast of the crater is the magnetic anomaly. Abulfeda and Descartes craters
NASA Image Lunar Ferroan Anorthosite #60025 (Plagioclase Feldspar). Collected by Apollo 16 from the Lunar Highlands near Descartes. This sample is currently on display at the National Museum of Natural History in Washington, DC.

Descartes is a heavily worn lunar impact crater that is located in the rugged south-central highlands of the Moon. To the southwest is the crater Abulfeda. It is named after the French philosopher, mathematician and physicist René Descartes.[1]

The rim of Descartes survives only in stretches, and is completely missing in the north. The crater Descartes A lies across the southwest rim. The interior floor contains several curved ridges. These are concentric with the surviving outer walls to the northwest and southeast.

A section of the outer rim of Descartes is covered by a region that has a higher albedo than the surrounding surface. Low-altitude measurements by the Lunar Prospector showed that this patch is actually a magnetic anomaly--the strongest on the near side of the Moon. This magnetic field may be deflecting particles from the solar wind, and thus preventing the underlying surface from growing darker because of space weathering. This is similar to the process causing Reiner Gamma and other bright swirls such as those of Mare Marginis and Mare Ingenii.

About 50 kilometers to the north of this crater was the landing site of Apollo 16. The uneven region about the landing area is sometimes called the Descartes Highlands or the Descartes Mountains.

## 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 Descartes.

Descartes  | Latitude  | Longitude  | Diameter

|
|
|

A  | 12.1° S  | 15.2° E  | 16 km
C  | 11.0° S  | 16.3° E  | 4 km

* Descartes A crater

## References

1. ↑ "Descartes (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

* Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
* 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. https://archive.org/details/isbn_9780936389271.
* McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. http://host.planet4589.org/astro/lunar/.
* 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. doi:10.1007/BF00171763. Bibcode: 1971SSRv...12..136M.
* Moore, Patrick (2001). On the Moon. Sterling Publishing Co.. ISBN 978-0-304-35469-6. https://archive.org/details/patrickmooreonmo00patr.
* 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. https://archive.org/details/celestialobjects00webb.
* 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.

## External links

* Descartes at The Moon Wiki
* Wood, Chuck (March 1, 2006). "Styll Mysterious After These Years". Lunar Photo of the Day. http://www.lpod.org/?m=20060301.
* Wood, Chuck (May 31, 2007). "A New Swirl". Lunar Photo of the Day. http://www2.lpod.org/wiki/May_31,_2007.

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Craters on the Moon: C–F

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* C. Mayer
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* Cailleux
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* Calippus
* Cameron
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* Chant
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* Chapman
* Chappe
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* Charlier
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* Chawla
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* Chladni
* Chrétien
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* Clairaut
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* Clerke
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* Cockcroft
* Collins
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* Compton
* Comrie
* Comstock
* Condon
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* Cook
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* Couder
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* Crookes
* Crozier
* Crüger
* Ctesibius
* Curie
* Curtis
* Curtius
* Cusanus
* Cuvier
* Cyrano
* Cyrillus
* Cysatus

* D. Brown
* da Vinci
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* Dag
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* Dale
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* Dalton
* Daly
* Damoiseau
* Daniell
* Danjon
* Dante
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* Das
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* De Forest
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* Dechen
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* Delia
* Delisle
* Dellinger
* Delmotte
* Delporte
* Deluc
* Dembowski
* Democritus
* Demonax
* Denning
* Desargues
* Descartes
* Deseilligny
* Deslandres
* Deutsch
* Dewar
* Diana
* Diderot
* Dionysius
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* Dirichlet
* Dobrovol'skiy
* Doerfel
* Dollond
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* Donna
* Donner
* Doppelmayer
* Doppler
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* Dove
* Draper
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* Dreyer
* Drude
* Dryden
* Drygalski
* Dubyago
* Dufay
* Dugan
* Dunér
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* Dyson
* Dziewulski

* Eckert
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* Espin
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* Evans
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* Ewen

* Fabbroni
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* Franck
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* Froelich
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* Fryxell
* Furnerius

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