Pannekoek is a

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 situated on the

far side ''The Far Side'' is a single-panel comic created by Gary Larson and syndicated by Chronicle Features and then Universal Press Syndicate, which ran from December 31, 1979, to January 1, 1995 (when Larson retired as a cartoonist). Its surrealis ...

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 ...

, and cannot be seen directly from the

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...

. The crater lies along the northern edge of the slightly larger Dellinger, and their common border forms an area of uneven terrain. Due north of Pannekoek is the huge walled plain

Mendeleev Dmitri Ivanovich Mendeleev (sometimes transliterated as Mendeleyev or Mendeleef) ( ; russian: links=no, Дмитрий Иванович Менделеев, tr. , ; 8 February Old_Style_and_New_Style_dates">O.S._27_January.html" ;"title="O ...

. The crater is named after astronomer and father of

Council Communism Council communism is a current of communist thought that emerged in the 1920s. Inspired by the November Revolution, council communism was opposed to state socialism and advocated workers' councils and council democracy. Strong in Germany a ...

Antonie Pannekoek Antonie “Anton” Pannekoek (; 2 January 1873 – 28 April 1960) was a Dutch astronomer, philosopher, Marxist theory, Marxist theorist, and socialist revolutionary. He was one of the main theorists of council communism (Dutch: ''radencommunisme ...

. This is a worn and eroded crater, although the perimeter of the rim is still visible. The southern part of the interior floor is jumbled and irregular. There is a small crater next to the inner wall along the west-southwest part of the floor. A smaller crater also lies in the interior along the northeast inner wall. There are also several small craterlets on the floor.

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 Pannekoek. Pannekoek S is similar to a few other far-side craters like Mandel'shtam Q and Barbier F that have hummocky floors. File:Pannekoek A crater AS11-42-6331.jpg, Pannekoek A (

Apollo 11 Apollo 11 (July 16–24, 1969) was the American spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin landed the Apollo Lunar Module ''Eagle'' on July 20, 1969, at 20:17 UTC, an ...

) File:Pannekoek D crater AS11-38-5578.jpg, Pannekoek D (Apollo 11) File:Pannekoek T crater AS11-38-5581.jpg, Pannekoek T (Apollo 11) File:Pannekoek T crater AS11-42-6330.jpg, Pannekoek T (Apollo 11) File:Pannekoek S crater AS17-P-2009.jpg, Pannekoek S (

Apollo 17 Apollo 17 (December 7–19, 1972) was the final mission of NASA's Apollo program, the most recent time humans have set foot on the Moon or traveled beyond low Earth orbit. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on ...

)

References

* * * * * * * * * * * * {{refend Impact craters on the Moon