Nishina (crater)
Encyclopedia
Nishina is the remnant of a lunar
crater
that is located in the southern hemisphere
on the far side of the Moon
. It lies to the south-southwest of the crater Maksutov
, to the southeast of Finsen
and Leibniz
.
The rim of this formation has been eroded, worn down, and reshaped by a history of impacts, leaving an irregular, indented perimeter surrounding the crater floor. The interior of the formation has been resurfaced by basalt
ic lava
, leaving a level, nearly featureless surface that contains no impacts of note. Whie the interior surface has a low albedo
and appears dark, it has been coated by ray material
which has produced lighter patches to the southwest and northeast.
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 is located in the southern hemisphere
Sphere
A sphere is a perfectly round geometrical object in three-dimensional space, such as the shape of a round ball. Like a circle in two dimensions, a perfect sphere is completely symmetrical around its center, with all points on the surface lying the same distance r from the center point...
on the far side 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...
. It lies to the south-southwest of the crater Maksutov
Maksutov (crater)
Maksutov is a crater on the far side of the Moon. It is located just to the south-southwest of the larger walled plain Oppenheimer. To the southwest lies the crater Nishina, and to the west-northwest is the merged crater pairing of Davisson and Leibnitz....
, to the southeast of Finsen
Finsen (crater)
Finsen is a lunar impact crater that is located in the southern hemisphere, on the Moon's far side. It is attached to the southeastern exterior of the walled plain Leibnitz, and the ejecta from Finsen covers the southeastern part of Leibnitz's interior floor...
and Leibniz
Leibnitz (crater)
Leibnitz is a huge lunar crater that is located in the southern hemisphere on the far side of the Moon. This formation is the same size as Clavius on the near side. It is located to the east-southeast of Mare Ingenii, and is joined to the northeast rim of Von Kármán. Attached to the eastern rim of...
.
The rim of this formation has been eroded, worn down, and reshaped by a history of impacts, leaving an irregular, indented perimeter surrounding the crater floor. The interior of the formation has been resurfaced by basalt
Basalt
Basalt is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey...
ic lava
Lava
Lava refers both to molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling. This molten rock is formed in the interior of some planets, including Earth, and some of their satellites. When first erupted from a volcanic vent, lava is a liquid at...
, leaving a level, nearly featureless surface that contains no impacts of note. Whie the interior surface has a low albedo
Albedo
Albedo , or reflection coefficient, is the diffuse reflectivity or reflecting power of a surface. It is defined as the ratio of reflected radiation from the surface to incident radiation upon it...
and appears dark, it has been coated by ray material
Ray system
A ray system comprises radial streaks of fine ejecta thrown out during the formation of an impact crater, looking a bit like many thin spokes coming from the hub of a wheel. The rays can extend for lengths up to several times the diameter of their originating crater, and are often accompanied by...
which has produced lighter patches to the southwest and northeast.
Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Nishina.Nishina | Latitude | Longitude | Diameter |
---|---|---|---|
T | 43.7° S | 174.4° W | 28 km |