Maunder (lunar crater)

Short description: Crater on the Moon

Maunder

LRO WAC image

Diameter| 53.80 km
Depth| 4 km
Colongitude| 94° at sunrise
Lunar Orbiter 4 image

Maunder is a lunar impact crater that is located on the far side of the Moon, just beyond the western limb. This region is sometimes brought into view during favorable librations, but not much detail can be seen. The crater lies at the northern end of the Mare Orientale, within the ring of mountains named Montes Rook, and it is the largest crater on this lunar mare. To the southeast is the crater Kopff, and due south is the small Hohmann.

The rim of Maunder is roughly circular, with a sharp edge that has not been significantly eroded. The inner walls are somewhat terraced, and slump down to a rough but level interior floor. At the midpoint of the crater is a double central peak, with the northeastern peak being the larger of the two. Surrounding the crater is a rough outer rampart that mixes with the rugged terrain along the northern half of the rim. Secondary impacts are visible in the surface to the south.

Maunder is a crater of Eratosthenian age.[1]

## Name origin

The crater was named after Annie Maunder, a Northern Irish astronomer who worked alongside her husband, Edward Walter Maunder, at the end of the 19th century.[2] Edward Maunder identified the period of colder climate from 1645 to 1715 that is now known as the Maunder Minimum. The name of the crater was approved by the IAU in 1970.[3]

## 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 Maunder.

Maunder  | Latitude  | Longitude  | Diameter

|
|
|

A  | 3.2° S  | 90.5° W  | 15 km
B  | 9.0° S  | 90.3° W  | 17 km

The following craters have been renamed by the IAU.

* Maunder Z -- See Couder (crater).

## References

1. ↑ The geologic history of the Moon. USGS Professional Paper 1348. By Don E. Wilhelms, John F. McCauley, and Newell J. Trask. U.S. Government Printing Office, Washington: 1987. Table 12.2.
2. ↑ "Annie Maunder: Plaque to be erected for Strabane astronomer". BBC News. 12 April 2017. https://www.bbc.co.uk/news/uk-northern-ireland-foyle-west-39576424.
3. ↑ "Maunder (lunar crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

* Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
* Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. http://planetarynames.wr.usgs.gov/.
* Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
* Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1. https://archive.org/details/isbn_9780936389271.
* McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. http://host.planet4589.org/astro/lunar/.
* Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews 12 (2): 136–186. doi:10.1007/BF00171763. Bibcode: 1971SSRv...12..136M.
* Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. https://archive.org/details/patrickmooreonmo00patr.
* Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.
* Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
* Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. https://archive.org/details/celestialobjects00webb.
* Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.
* Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.

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