De La Rue (crater)

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De La Rue
De La Rue crater 4068 h1.JPG
Coordinates 59°06′N53°00′E / 59.1°N 53.0°E / 59.1; 53.0 Coordinates: 59°06′N53°00′E / 59.1°N 53.0°E / 59.1; 53.0
Diameter 136 km
Depth Unknown
Colongitude 310° at sunrise
Eponym Warren de la Rue
Oblique view from Lunar Orbiter 4 De La Rue crater 4191 h1.jpg
Oblique view from Lunar Orbiter 4
Another oblique view from Lunar Orbiter 4 De La Rue crater 4165 h1.jpg
Another oblique view from Lunar Orbiter 4

De La Rue is the remnant of a lunar impact crater, or possibly several merged craters, creating a formation sometimes called a walled plain. It lies in the northeastern part of the Moon on the near side, and so appears foreshortened due to its location. This formation lies to the north-northwest of the prominent crater Endymion, just beyond the eastern extreme of Mare Frigoris. The crater Strabo intrudes into the northern part of De La Rue's northern rim, and the smaller Thales is attached to the northwestern part of the wall.

Lunar craters

Lunar craters are impact craters on Earth's Moon. The Moon's surface has many craters, almost all of which were formed by impacts.

Impact crater Circular depression on a solid astronomical body formed by a hypervelocity impact of a smaller object

An impact crater is an approximately circular depression in the surface of a planet, moon, or other solid body in the Solar System or elsewhere, formed by the hypervelocity impact of a smaller body. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are lower in elevation than the surrounding terrain. Impact craters range from small, simple, bowl-shaped depressions to large, complex, multi-ringed impact basins. Meteor Crater is a well-known example of a small impact crater on Earth.

Moon Earths natural satellite

Earth's Moon is an astronomical body that orbits the planet and acts as its only permanent natural satellite. It is the fifth-largest satellite in the Solar System, and the largest among planetary satellites relative to the size of the planet that it orbits. The Moon is, after Jupiter's satellite Io, the second-densest satellite in the Solar System among those whose densities are known.

The crater was named after Warren De la Rue, who took some of the first photos of the moon.

Warren De la Rue British astronomer, chemist and photographer

Warren De la Rue was a British astronomer, chemist, and inventor, most famous for his pioneering work in astronomical photography.

The perimeter of De La Rue is a disintegrated mass of hills, irregular ground, and notches from old craters. The rim is generally rounded along the northwest half, while a formation to the southeast intrudes into the crater resulting in a somewhat straightened wall along that flank. The overall result is a somewhat pear-shaped perimeter. There are remnants of small craters along the south-southeast rim, and several ghost-crater rims lie along the interior floor beside the northern inner wall.

Palimpsest (planetary astronomy) type of crater whose relief has disappeared

A palimpsest, in planetary astronomy, is an ancient crater on an icy moon of the outer Solar System whose relief has disappeared due to creep of the icy surface or subsequent cryovolcanic outpourings, leaving a circular albedo feature, perhaps with a "ghost" of a rim. Icy surfaces of natural satellites like Callisto and Ganymede preserve hints of their history in these rings. A typical example is Memphis Facula on Ganymede, a 340 km wide palimpsest.

Near the midpoint of the relatively flat interior floor is the bowl-shaped satellite crater De La Rue J. There is rough ground attached to the southern rim of this crater, and low hills just to the west. The inner floor is rougher along the southeast side. The remaining floor is marked by many tiny craterlets, with a notable pair in the northeast part of the interior.

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 De La Rue.

De La RueLatitudeLongitudeDiameter
D56.8° N46.2° E17 km
E56.8° N49.7° E32 km
J59.0° N52.8° E14 km
P60.5° N61.4° E10 km
Q61.5° N60.5° E10 km
R62.1° N61.1° E9 km
S62.9° N61.6° E12 km
W55.7° N46.9° E18 km

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Birkeland (lunar crater) lunar crater

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Demonax (crater) impact crater

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Pascal (crater) lunar crater

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Chaffee (crater) impact crater

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Chebyshev (crater) lunar crater

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Carnot (crater) impact crater

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Lyman (crater)

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Nernst (crater) lunar crater

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Petropavlovskiy (crater) lunar crater

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References

Ewen Whitaker British astronomer

Ewen Adair Whitaker was a British-born astronomer who specialized in lunar studies. During World War II he was engaged in quality control for the lead sheathing of hollow cables strung under the English Channel as part of the "Pipe Line Under The Ocean" Project (PLUTO) to supply gasoline to Allied military vehicles in France. After the war, he obtained a position at the Royal Greenwich Observatory working on the UV spectra of stars, but became interested in lunar studies. As a sideline, Whitaker drew and published the first accurate chart of the South Polar area of the Moon in 1954, and served as director of the Lunar Section of the British Astronomical Association.

NASA space-related agency of the United States government

The National Aeronautics and Space Administration is an independent agency of the United States Federal Government responsible for the civilian space program, as well as aeronautics and aerospace research.

United States Geological Survey Scientific agency of the United States government

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility.