Birkeland (lunar crater)
Encyclopedia
Birkeland is a lunar
impact crater
that lies in the southern hemisphere
on the far side of the Moon
. This crater is attached to the central waist of the oddly shaped Van de Graaff crater
formation, and may partly account for that crater's figure-8
shape. To the southeast is the large walled plain Leibnitz
.
This crater has not been significantly eroded, and the outer rim is well-defined with a well-terraced inner walls around much of the interior. The rim has a slight inward bulge along the north where it is attached to the Van de Graaff formation. The interior floor is relatively level, except in the southeast where there is some rough terrain. There is a central peak formation at the mid-point.
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...
impact 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 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...
. This crater is attached to the central waist of the oddly shaped Van de Graaff crater
Van de Graaff (crater)
Van de Graaff is an unusual lunar formation that has the appearance of two merged craters, approximately in a figure-8 shape with no intervening rim separating the two halves. The crater is located on the far side of the Moon, on the northeast edge of Mare Ingenii. The crater Birkeland is attached...
formation, and may partly account for that crater's figure-8
Figure 8
Figure 8 may refer to:* 8 , in Arabic numeralsIn entertainment* Figure 8 , by American singer-songwriter Elliott Smith* "Figure of Eight" from the album Flowers in the Dirt by Paul McCartney...
shape. To the southeast is the large walled plain Leibnitz
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...
.
This crater has not been significantly eroded, and the outer rim is well-defined with a well-terraced inner walls around much of the interior. The rim has a slight inward bulge along the north where it is attached to the Van de Graaff formation. The interior floor is relatively level, except in the southeast where there is some rough terrain. There is a central peak formation at the mid-point.
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 Birkeland.| Birkeland | Latitude | Longitude | Diameter |
|---|---|---|---|
| M | 32.0° S | 174.1° E | 23 km |