Brown 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 depression (geology), depression in the surface of a solid astronomical body formed by the hypervelocity impact event, impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal c ...

that is located in the southeast part of the

Moon The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...

, to the southwest of the prominent ray crater

Tycho Tycho is a masculine given name, a latinization of Greek Τύχων, from the name of Tyche (), the Greek goddess of fortune or luck. The Russian form of the name is '' Tikhon'' (Тихон). People Given name * Tycho Brahe (1546–1601), Dan ...

. Northwest of Brown is the crater

Wilhelm Wilhelm may refer to: People and fictional characters * William Charles John Pitcher, costume designer known professionally as "Wilhelm" * Wilhelm (name), a list of people and fictional characters with the given name or surname Other uses * Wilhe ...

, and to the west is Montanari. This crater was named after

Ernest William Brown Ernest William Brown FRS (29 November 1866 – 22 July 1938) was an English mathematician and astronomer, who spent the majority of his career working in the United States and became a naturalised American citizen in 1923. His life's work wa ...

, and is distinct from crater D. Brown, a satellite crater of the

Apollo Apollo is one of the Twelve Olympians, Olympian deities in Ancient Greek religion, ancient Greek and Ancient Roman religion, Roman religion and Greek mythology, Greek and Roman mythology. Apollo has been recognized as a god of archery, mu ...

crater. The rim of Brown is mis-shapen from a typical circular formation, most notably due to the intrusion of the satellite crater Brown E into the southeast of the formation. The northern rim is

polygon In geometry, a polygon () is a plane figure made up of line segments connected to form a closed polygonal chain. The segments of a closed polygonal chain are called its '' edges'' or ''sides''. The points where two edges meet are the polygon ...

al in shape, with a flattened northern rim. There is also a small gap in the western rim which protrudes to the west.

Satellite craters

There are eight satellite craters of Brown that are recognized by the

International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...

. The official designation of these features was approved in 2006.

References

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External links

* {{Craters on the Moon: A–B Impact craters on the Moon