Pease (crater)

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Pease
Pease crater WAC.jpg
LRO WAC image
Coordinates 12°30′N106°06′W / 12.5°N 106.1°W / 12.5; -106.1 Coordinates: 12°30′N106°06′W / 12.5°N 106.1°W / 12.5; -106.1
Diameter 38 km
Depth Unknown
Colongitude 102° at sunrise
Eponym Francis G. Pease
Oblique Lunar Orbiter 5 image, facing west Pease crater 5015 h2.jpg
Oblique Lunar Orbiter 5 image, facing west

Pease is a lunar impact crater that lies in the north-northwestern edge of the huge skirt of ejecta that surrounds the Mare Orientale impact basin. It lies just over one crater diameter to the east of the smaller crater Butlerov. To the east-northeast of Pease is the somewhat larger Nobel.

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.

Mare Orientale Lunar mare on the western border of the near side and far side of the Moon

Mare Orientale is a lunar mare. It is located on the western border of the near side and far side of the Moon, and is difficult to see from an Earthbound perspective. Images from spacecraft have revealed it to be one of the most striking large scale lunar features, resembling a target ring bullseye.

This is a roughly circular, bowl-shaped formation with an outer rim that is only moderately eroded. No significant craters lie across the rim edge or the interior. There is a slight straightening of the western rim.

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Artemev (crater) lunar crater

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Balboa (lunar crater) lunar crater

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Butlerov (crater) lunar crater

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Demonax (crater) impact crater

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Cichus (crater) impact crater

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Franz (crater) lunar crater

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Fourier (crater) Moon crater

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Fraunhofer (crater) lunar crater

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Dziewulski (crater) lunar crater

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Donner (crater) lunar crater

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Fersman (crater) lunar crater

Fersman is a large lunar impact crater on the Moon's far side. It lies to the east of the crater Poynting, and west-northwest of Weyl. To the south is the huge walled plain Hertzsprung.

Nobel (crater) lunar crater

Nobel is a crater that lies on the far side of the Moon. It is located in the northern edge of the vast skirt of ejecta surrounding the Mare Orientale impact basin. Less than three crater diameters to the south of Nobel is the larger crater Elvey, and to the west-southwest is the smaller Pease. This is a circular, bowl-shaped crater with a worn outer rim. Three smaller craters overlie the northern rim. The interior floor is relatively level, and is marked by several small and tiny craterlets.

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.