C. Mayer is a

lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...

impact crater that is located at the northern edge of the

Mare Frigoris Mare Frigoris (Latin ''frīgōris'', the "Sea of Cold") is a lunar mare in the far north of the Moon. It is located in the outer rings of the Procellarum basin, just north of Mare Imbrium, and stretches east to north of Mare Serenitatis. It is ju ...

, due north of the prominent crater

Aristoteles Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of phi ...

. Also to the south, but only a third as distant, is the smaller crater Sheepshanks. Due east of C. Mayer is the flooded crater Kane. C. Mayer is a relatively young formation, with a sharp-edged and well-defined outer rim. The rim is not quite circular, and appears somewhat

polygon In geometry, a polygon () is a plane figure that is described by a finite number of straight line segments connected to form a closed ''polygonal chain'' (or ''polygonal circuit''). The bounded plane region, the bounding circuit, or the two toge ...

al-shaped with outward bulges along the edge, most notably to the west. The inner walls have a

terrace Terrace may refer to: Landforms and construction * Fluvial terrace, a natural, flat surface that borders and lies above the floodplain of a stream or river * Terrace, a street suffix * Terrace, the portion of a lot between the public sidewalk a ...

system and the interior is somewhat rough and irregular. The central peak lies just to the north of the midpoint, and extends in a northerly direction. The

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or un ...

-flooded formation C. Mayer D is attached to the southeastern rim of the crater, and a gap in the southeastern rim joins it to the Mare Frigoris. Thus the lunar mare extends up to the outer

rampart Rampart may refer to: * Rampart (fortification), a defensive wall or bank around a castle, fort or settlement Rampart may also refer to: * "O'er the Ramparts We Watched" is a key line from "The Star-Spangled Banner", the national anthem of the ...

of C. Mayer. Crater C

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 C. Mayer (See the C Mayer D crater that is very similar in shape to the map of Brazil). >> :pt:C. Mayer D (Cratera) )">:pt:C._Mayer_D_(Cratera).html" ;"title=":pt:C. Mayer D (Cratera)">:pt:C. Mayer D (Cratera) )

References

* * * * * * * * * * * * Impact craters on the Moon {{Craters on the Moon: C-F