Pontécoulant (crater)
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Pontécoulant is a prominent
lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...
impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters ...
that is located in the southeastern part of the
Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
. Due to its position, the crater appears foreshortened from the
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and it is difficult to observe much detail. Nearby craters include
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just to the northeast, and the comparably sized
Helmholtz Hermann Ludwig Ferdinand von Helmholtz (31 August 1821 – 8 September 1894) was a German physicist and physician who made significant contributions in several scientific fields, particularly hydrodynamic stability. The Helmholtz Association, ...
due south. This crater has
terrace Terrace may refer to: Landforms and construction * Fluvial terrace, a natural, flat surface that borders and lies above the floodplain of a stream or river * Terrace, a street suffix * Terrace, the portion of a lot between the public sidewalk a ...
d inner wall that is nearly circular, but with an outward extension to the southeast. The rim is somewhat worn but retains much detail. The crater partly overlies the older and smaller Pontécoulant E along the southern rim, and has several tiny craterlets on the eastern inner wall and one to the southwest. The inner floor is nearly flat, with some rough ground near the southern rim and some low central peaks located southwest of the midpoint. There is a small but prominent crater located at the center of the floor, and several other tiny craters scattered across the inner surface. Pontécoulant is a crater of
Nectarian The Nectarian Period of the lunar geologic timescale runs from 3920 million years ago to 3850 million years ago. It is the period during which the Nectaris Basin and other major basins were formed by large impact events. Ejecta from Nectaris for ...
age. The
eponym An eponym is a person, a place, or a thing after whom or which someone or something is, or is believed to be, named. The adjectives which are derived from the word eponym include ''eponymous'' and ''eponymic''. Usage of the word The term ''epon ...
of this crater is
Philippe Gustave Doulcet Philippe is a masculine sometimes feminin given name, cognate to Philip. It may refer to: * Philippe of Belgium (born 1960), King of the Belgians (2013–present) * Philippe (footballer) (born 2000), Brazilian footballer * Prince Philippe, Count o ...
, ''le
Comte ''Comte'' is the French, Catalan and Occitan form of the word 'count' (Latin: ''comes''); ''comté'' is the Gallo-Romance form of the word 'county' (Latin: ''comitatus''). Comte or Comté may refer to: * A count in French, from Latin ''comes'' * A ...
de Pontécoulant'', and the name was approved by the
IAU The International Astronomical Union (IAU; french: link=yes, Union astronomique internationale, UAI) is a nongovernmental organisation with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach ...
in 1935. On 19 August 2023 the Russian
Luna 25 Luna 25 (Luna-Glob lander) is a planned lunar lander mission by Roscosmos. It will land near the lunar south pole at the Boguslavsky crater. It was renamed from Luna-Glob lander to Luna 25 to emphasize the continuity of the Soviet Luna progra ...
lander crashed on the inner rim of the Pontécoulant G satellite crater, following a technical issue that prevented it from performing a soft landing in the target destination close to the Lunar south pole. On September 3, 2023 the impact site of the Luna 25 lander has been described as a pock. An official title to this impact site has not yet been assigned by the
International Astronomical Union The International Astronomical Union (IAU; french: link=yes, Union astronomique internationale, UAI) is a nongovernmental organisation with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreac ...
.


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 Pontécoulant.


References

* * * * * * * * * * * * {{DEFAULTSORT:Pontecoulant Impact craters on the Moon