View source for Mare Parvum

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=Mare Parvum=
''(discontinued IAU name)''<br /> <div id="toc">

{| class="wiki_table"
| Lat: 50°S, Long:94°W , Diam: 100 km, Depth: km, Rukl: (farside)<br />
|}
[http://www.lpod.org/coppermine/albums/userpics/MareParvum_AstronMinsk_LTVT.JPG [[Image:Normal_MareParvum_AstronMinsk_LTVT.JPG|external image normal_MareParvum_AstronMinsk_LTVT.JPG]]]<br /> ''[http://lpod.org/coppermine/displayimage.php?pos=-4154 AstronoMinsk imagers]'': This image of the Moon's southwest limb taken with a strong [[librations|libration]] shows which what was probably the feature intended by the discontinued IAU name '''Mare Parvum''', corresponding to the [http://lpod.org/coppermine/displayimage.php?pos=-2988 central mare] region of the [[Mendel-Rydberg%20Basin|Mendel-Rydberg Basin]].<br /> <br /> 
==Images==
[http://www.lpod.org/coppermine/thumbnails.php?album=search&type=full&search=Mare%20Parvum LPOD Photo Gallery] [http://www.lpi.usra.edu/resources/lunar_orbiter/bin/srch_nam.shtml?Mendel%7C0 Lunar Orbiter Images]<br /> <br /> 
==Maps==
''([[LAC%20zone|LAC zone]] 135B1)'' [http://planetarynames.wr.usgs.gov/images/Lunar/lac_135.pdf USGS Digital Atlas PDF]<br /> <br /> 
==Description==
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==Additional Information==
* The [[Mendel-Rydberg%20Basin|Mendel-Rydberg Basin]] has a mare area of 2,900 km^2 according to measurements by [http://www.lpod.org/cwm/DataStuff/MareAreas.htm Jim Whitford-Stark].
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==Nomenclature==

* "Parvum" is Latin for "small".
* The name '''Mare Parvum''' was introduced by [[Franz|Franz]] ([[Whitaker|Whitaker]], p. 235). It most likely referred to the central mare of the [[Mendel-Rydberg%20Basin|Mendel-Rydberg Basin]], but without seeing Franz' map it is difficult to be sure.
* Franz' name (attributed to his catalog numbers 1348-1350) was adopted into the original 1935 IAU nomenclature of ''[[Named%20Lunar%20Formations|Named Lunar Formations]]'' as entry 2257a (the "a" indicating it was note in the ''[[Collated%20List|Collated List]]''. It is described as "beyond" the southwest limb, with a latitude range of 49.1°S to 52.4°S (converted from the [[Xi-Eta|Xi-Eta]] values). This corresponds closely to the latitude range shown in the [http://objectstyle.org/astronominsk/Moon/Moon2008_en.htm AstronoMinsk] image from 2008 reproduced above. '''Mare Parvum''' is one of the very few features listed in ''[[Named%20Lunar%20Formations|Named Lunar Formations]]'' whose center is indicated as being beyond the mean limb.
* The name '''Mare Parvum''' was deleted by G. P. Kuiper in [[PLA%20Table%20III|Table III]] of his 1960 ''[[Photographic%20Lunar%20Atlas|Photographic Lunar Atlas]]'', where it is listed as one of two "''small patches of dark material not worthy of separate names''" (the other being [[Mare%20Hiemis|Mare Hiemis]]). Kuiper chose to retain other Franz names, such as [[Lacus%20Aestatis|Mare Aestatis]], even though the dimensions are similar. His changes were approved by the IAU in 1961 ([[IAU%20Transactions%20XIB|IAU Transactions XIB]]).
* Could have been called '''''Palus Solitatis''''' by the ALPO's amateur observers of the [http://the-moon.us/wiki/Luna+Incognita Luna Incognita] project. Alas, this name was not approved by the IAU.
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==LPOD Articles==
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==Bibliography==
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