Demonax crater ( Latin Demonax ) is a huge ancient impact crater in the southern polar region of the visible side of the moon . The name was given in honor of the ancient Greek philosopher Demonaks (about 70-170) and approved by the International Astronomical Union in 1935. The formation of the crater belongs to the nectarian period [1] .
| Demonax | |
|---|---|
| lat Demonax | |
 The image is made up of two snapshots of a Lunar Orbiter probe - IV . | |
| Specifications | |
| Diameter | 122 km |
| Deepest | 5000 m |
| Title | |
| Eponym | Demonax (about 70 - 170) - ancient Greek philosopher. |
| Location | |
| Heavenly body | Moon |
Content
Crater Description
The nearest neighbors of the crater are Schomberger Crater in the west; Boguslavsky crater in the northwest; Bussengo crater in the north; crater Neymeyer in the north-northeast; crater Hale in the northeast; Ganswindt crater in the east; the craters Von Beyer and Svedberg in the south-southeast, as well as the crater Scott in the south-west [2] . The selenographic coordinates of the center of the crater are , diameter 121.93 km [3] , depth 5 km [4] .
The crater has a close to circular shape, for a long time of its existence it has been significantly destroyed. The shaft is covered with a multitude of craters of various sizes, especially the craters in the southeast part of the shaft stand out. The inner slope of the shaft with the remains of a terrace-like structure, especially noticeable in the western part. The height of the shaft above the surrounding terrain reaches 1640 m [1] , the volume of the crater is approximately 17,500 km³ [1] . The bottom of the crater is flooded with lava , even with the exception of the hilly northern part. In the center of the bowl is a group of peaks.
Due to its location near the south pole of the moon, the crater has a distorted shape when viewed from the Earth . Due to the low-light illumination, the northern part of the bowl and the inner slope of the crater is almost always in the shade.
Satellite craters
| Demonax [3] | Coordinates | Diameter, km |
|---|---|---|
| A | 20.1 | |
| B | 23.2 | |
| C | 10.4 | |
| E | 33.8 |
See also
- List of craters on the moon
- Moon crater
- Morphological catalog of the craters of the moon
- Planetary Nomenclature
- Selenography
- Mineralogy of the Moon
- Geology of the Moon
- Late heavy bombardment
Notes
- ↑ 1 2 3 Lunar Impact Crater Database . Losiak A., Kohout T., O'Sulllivan K., Thaisen K., Weider S. (Lunar and Planetary Institute, Lunar Exploration Intern Program, 2009); updated by Öhman T. in 2011. Archived page .
- ↑ Demonax Crater on LAC-139 map
- ↑ 1 2 Directory of the International Astronomical Union
- ↑ John E. Westfalls Atlas of the Lunar Terminator, Cambridge Univ. Press (2000)