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{{Short description|Crater on the Moon}}
{{Infobox Lunar crater
caption=Lunar crater Linné from [[Apollo 15]]. ''[[NASA]] photo.''|▼
| image_size =
| coordinates = {{coord|27.7|N|11.8|E|globe:moon_type:landmark|display=inline,title}}
| depth = 0.6 km (0.3 miles)
▲ diameter=2.4 km|
▲ colong=348|
▲ eponym=[[Carl Linnaeus|Carl von Linné]]}}
'''Linné''' is a small [[Lunar craters|lunar]] [[impact crater]] located in the western [[Mare Serenitatis]]. It was named after Swedish botanist [[Carl Linnaeus]].<ref>{{gpn|3413}}</ref> The [[Lunar mare|mare]] around this feature is virtually devoid of other features of interest. The nearest named crater is [[Banting (crater)|Banting]] to the east-southeast.▼
[[File:NASA's Planetary CSI - Crater Science Investigations.ogv|thumb|300px|Learn what [[Lunar Reconnaissance Orbiter|LRO]] has learned about Linne Crater in this video.]]▼
The estimated age of this [[Copernican period|copernican]] crater is only a few tens of millions of years. It was earlier believed to have a bowl shape, but data <ref>[http://www.lpi.usra.edu/meetings/lpsc2011/pdf/2063.pdf "Linne: Simple Lunar Mare crater geometry from LRO observations", ''42nd Lunar and Planetary Science Conference (2011)'']</ref> from the [[Lunar Reconnaissance Orbiter|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.ogv|thumb
▲'''Linné''' is a small lunar [[impact crater]] located in the western [[Mare Serenitatis]]. The [[Lunar mare|mare]] around this feature is virtually devoid of other features of interest. The nearest named crater is [[Banting (crater)|Banting]] to the east-southeast.
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.<ref>David Leverington, Babylon to Voyager and Beyond: A History of Planetary Astronomy, Cambridge University Press, 2003</ref> 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
[[File:Linné crater color coded shaded relief map detail.png|thumb|right|Color coded shaded relief map of Linné crater]]
▲The estimated age of this crater is only a few tens of millions of years. It was earlier believed to have a bowl shape, but data <ref>[http://www.lpi.usra.edu/meetings/lpsc2011/pdf/2063.pdf "Linne: Simple Lunar Mare crater geometry from LRO observations", ''42nd Lunar and Planetary Science Conference (2011)'']</ref> from the [[Lunar Reconnaissance Orbiter|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.
▲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 <ref>[http://www.astrosurf.com/lunascan/Linncont.htm "The Linne' crater {{sic|nolink=y|controversey}}", ''The Lunascan Project'']</ref> (see also [[transient lunar phenomenon]]).
==Satellite craters==
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* Linné E — ''See'' [[Banting (crater)]].
== References ==
{{Reflist}}
== Bibliography ==
{{refbegin}}
* {{cite book
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| title = [[NASA]] Catalogue of Lunar Nomenclature
| publisher = NASA RP-1097
▲ }}
}}
* {{cite book
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| date = 2004
| title = The Clementine Atlas of the Moon
| publisher = [[Cambridge University Press]]
| location = New York
| isbn = 978-0-521-81528-4
}}
* {{cite book
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| publisher = Tudor Publishers
| isbn = 978-0-936389-27-1
| url = https://archive.org/details/isbn_9780936389271
}}
* {{cite web
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| url = http://host.planet4589.org/astro/lunar/
| title = Lunar Nomenclature
| publisher = [[Jonathan's Space Report]]
|
}}
* {{cite journal| last1 = Menzel| first1 = D. H.| last2 = Minnaert| first2 = M.| last3 = Levin| first3 = B.| last4 = Dollfus| first4 = A.| last5 = Bell| first5 = B.| title = Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU| doi = 10.1007/BF00171763| journal = Space Science Reviews| volume = 12| issue = 2| pages = 136–186| date = 1971| bibcode = 1971SSRv...12..136M|
* {{cite book
| first = Patrick
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| date = 2001
| title = On the Moon
| publisher = [[Sterling Publishing Co.]]
| isbn = 978-0-304-35469-6
| url = https://archive.org/details/patrickmooreonmo00patr
}}
* {{cite book
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| publisher = Cambridge University Press
| isbn = 978-0-521-33500-3
}}
* {{cite book
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| date = 1990
| title = Atlas of the Moon
| publisher = [[Kalmbach Books]]
| isbn = 978-0-913135-17-4
}}
* {{cite book
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| publisher = Dover
| isbn = 978-0-486-20917-3
| url = https://archive.org/details/celestialobjects00webb
}}
* {{cite book
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| publisher = Cambridge University Press
| isbn = 978-0-521-62248-6
}}
* {{cite book
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| publisher = Springer
| isbn = 978-1-85233-193-1
}}
{{refend}}
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{{commons category|Linné (crater)}}
* [http://www.lpi.usra.edu/resources/mapcatalog/LTO/lto42a4_2/ LTO-42A4 Linne] — L&PI [[topographic map]]
* {{cite web| last = Wood | first = Chuck | date = December 12, 2004 | url = http://www.lpod.org/archive/LPOD-2004-12-22.htm | title = Swell Linné | publisher = Lunar Photo of the Day }}
{{Carl Linnaeus}}
{{DEFAULTSORT:Linne (crater)}}
[[Category:Impact craters on the Moon]]
[[Category:Mare Serenitatis]]
[[Category:Commemoration of Carl Linnaeus]]
[[Category:Articles containing video clips]]
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