Shi Shen is a
crater on the
far side
''The Far Side'' is a single-panel comic created by Gary Larson and syndicated by Chronicle Features and then Universal Press Syndicate, which ran from December 31, 1979, to January 1, 1995 (when Larson retired as a cartoonist). Its surrealis ...
of the
Moon
The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
. It lies to the northwest of the large walled plain
Schwarzschild, and to the south-southeast of the crater
Nansen along the north-northeastern limb. Shi Shen is located in the region of the lunar surface that is sometimes brought into view of the Earth due to
libration
In lunar astronomy, libration is the wagging or wavering of the Moon perceived by Earth-bound observers and caused by changes in their perspective. It permits an observer to see slightly different hemispheres of the surface at different tim ...
, but even then it is viewed from the edge and not much detail can be seen.
This is an old, eroded crater with an outer rim that is rounded and somewhat irregular. The northern part of the rim has a wider inner wall, and there is a small crater along the north-northwestern edge. The interior floor is relatively level, but uneven, particularly in the northern half.
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 Shi Shen.
References
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{{refend
Impact craters on the Moon