Linné (crater)

Short description: Crater on the Moon

Linné

Lunar crater Linné from Apollo 15. NASA photo.

Diameter| 2.4 km (1.5 miles)
Depth| 0.6 km (0.3 miles)
Colongitude| 348° at sunrise

Linné is a small lunar impact crater located in the western Mare Serenitatis. It was named after Swedish botanist Carl Linnaeus.[1] The mare around this feature is virtually devoid of other features of interest. The nearest named crater is Banting to the east-southeast. The estimated age of this copernican crater is only a few tens of millions of years. It was earlier believed to have a bowl shape, but data [2] from the LRO showed that it has a shape of a flattened, inverted cone. The crater is surrounded by a blanket of ejecta formed during the original impact. This ejecta has a relatively high albedo, making the feature appear bright. File:NASA's Planetary CSI - Crater Science Investigations.ogvthumb|right|Lunar Orbiter 4 image In 1824 Wilhelm Lohrmann (1786-1840) of Dresden had drawn Linné as an 8 km diameter crater in his acclaimed lunar atlas, and in 1837 Wilhelm Beer and Johann Heinrich Mädler had described Linne in Der Mond as a 10 km crater.[3] In 1866, the experienced lunar observer and mapmaker Johann Friedrich Julius Schmidt made the surprising claim that Linné had changed its appearance. Instead of a normal, somewhat deep crater it had become a mere white patch. A controversy arose that continued for many decades. However, this crater size tests the limit of visual perception of Earth-based telescopes. In conditions of poor seeing this feature can appear to vanish from sight [4] (see also transient lunar phenomenon).

Color coded shaded relief map of Linné crater

## Contents

* 1 Satellite craters
* 2 References
* 3 Bibliography
* 4 External links

## 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 Linné.

Linné  | Latitude  | Longitude  | Diameter

|
|
|

A  | 28.9° N  | 14.4° E  | 4 km
B  | 30.5° N  | 14.2° E  | 5 km
D  | 28.7° N  | 17.1° E  | 5 km
F  | 32.3° N  | 13.9° E  | 5 km
G  | 35.9° N  | 13.3° E  | 5 km
H  | 33.7° N  | 13.8° E  | 3 km

The following craters have been renamed by the IAU.

* Linné E -- See Banting (crater).

## References

1. ↑ "Linné (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
2. ↑ "Linne: Simple Lunar Mare crater geometry from LRO observations", 42nd Lunar and Planetary Science Conference (2011)
3. ↑ David Leverington, Babylon to Voyager and Beyond: A History of Planetary Astronomy, Cambridge University Press, 2003
4. ↑ "The Linne' crater controversey [sic]", The Lunascan Project

## Bibliography

* Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
* 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.

## External links

* LTO-42A4 Linne -- L&PI topographic map
* Wood, Chuck (December 12, 2004). "Swell Linné". Lunar Photo of the Day. http://www.lpod.org/archive/LPOD-2004-12-22.htm.

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