Manilius (crater)

Manilius has a well-defined rim with a sloping inner surface that runs directly down to the ring-shaped mound of scree along the base, and a small outer rampart. The small crater interior has a higher albedo than the surroundings, and it appears bright when the sun is overhead. Within the crater is a central peak formation near the midpoint.

The crater also possesses a ray system that extends for a distance of over 300 kilometers. Despite the presence of these rays, which generally indicate the age of the crater as Copernican, the crater is currently mapped as Eratosthenian age.[http://www.imageagain.com/Strata/StratigraphyCraters.2.0.htm Stratigraphy of Lunar Craters], Don E. Wilhelms and Charles J. Byrne, January 23, 2009[https://pubs.er.usgs.gov/publication/pp1348 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.

Manilius is named after the Roman astronomer Marcus Manilius. Like many of the craters on the Moon's near side, it was given its name by Giovanni Riccioli, whose 1651 nomenclature system has become standardized.Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p.61. Earlier lunar cartographers had given the feature different names. Michael van Langren's 1645 map calls it "Isabellae Reg. Hisp." (Isabella, Queen of Spain),Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p. 198. and Johannes Hevelius called it "Insula Besbicus" after the island in Turkey now known as İmralı.Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p. 202.

File:Manilius lunar crater map.jpg with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1]]

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Manilius.

File:Manilius crater AS17-M-1669.jpg image]]File:Crater Manilius.jpg

File:Manilius G crater AS15-P-9918.jpg|Oblique view of Manilius G, northeast of Manilius

The following craters have been renamed by the IAU.

• Manilius A — See Bowen.
• Manilius F — See Yangel'.

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{{Commonscat}}

• [https://the-moon.us/wiki/manilius Manilius at The Moon Wiki]
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Category:Impact craters on the Moon

Category:Eratosthenian