Liebig 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
An impact crater is a depression (geology), depression in the surface of a solid astronomical body formed by the hypervelocity impact event, impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal c ...
that is located to the south-southeast of the crater
Mersenius, and west of the
Mare Humorum
Mare Humorum (Latin ''hūmōrum'', the "Sea of Moisture" or "Sea of Humors") is a lunar mare. The impact basin it is located in is across.
Geology
It was not sampled by the Apollo program, so a precise age has not been determined. However, ...
in the southwest part of the
Moon
The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
. To the southwest of Liebig is the slightly smaller crater
de Gasparis.
The rim of Liebig has a low inner wall, with an interior floor that is nearly featureless except for a few tiny craterlets. It is nearly, but not quite circular, with outward bulges to the west and southeast. The small, cup-shaped crater Liebig A lies along the inner wall and part of the interior floor.
The western edge of the Mare Humorum is a fault line designated the Rupes Liebig, named after this crater. This fault extends for about 180 km along the shore. To the southwest, in the section of
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 Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...
-flooded surface between Liebig and de Gasparis, is a system of
rille
Rille (German for 'groove') is typically used to describe any of the long, narrow depressions in the surface of the Moon that resemble channels. The Latin term is ''rima'', plural ''rimae''. Typically, a rille can be several kilometers w ...
s named the Rimae de Gasparis. These cover an area with a diameter of 130 km.
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 Liebig.
File:Liebig G crater 4149 h1.jpg, Liebig G
File:Liebig J crater 4149 h1.jpg, Liebig J
References
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{{Commons category, Liebig (lunar crater)
Impact craters on the Moon
Justus von Liebig