Ganswindt (crater)
Encyclopedia
Ganswindt is a lunar
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

 that lies near the southern pole of the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

's far side. It is attached to the southwestern exterior of the huge walled plain Schrödinger
Schrödinger (crater)
Schrödinger is a huge lunar impact crater of the form traditionally called a walled plain and is named after Erwin Schrödinger. It is located near the south lunar pole on the far side of the Moon, and can only be viewed from orbit. The smaller crater Ganswindt is attached to the southwestern rim of...

. Ganswindt partly overlies the smaller crater Idel'son
Idel'son (crater)
Idel'son is a lunar crater that is located on the far side of the Moon. It lies just behind the southern lunar limb, in a region that is sometimes brought into view of the Earth due to libration...

to the south.

The rim of Gandswindt is roughly circular but somewhat irregular, particularly at the southern edge. Much of the interior floor is covered in uneven ridges, and there is a small crater in the southeastern section. Because sunlight enters the interior at a low angle, the northern part of the floor is almost always covered in shadow, concealing the terrain in that section of the crater.

The crater was named in honor of Hermann Ganswindt (1856-1934), the aviation pioneer who first proposed reaction vehicles for space travel in 1881. He also proposed time as a fourth dimension.
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