D'Arrest (crater)
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| Crater characteristics | |
| Coordinates | 2.3° N, 14.7° E |
|---|---|
| Diameter | 30 km |
| Depth | 1.5 km |
| Colongitude | 344° at sunrise |
| Eponym | Heinrich d'Arrest |
D'Arrest is a lunar crater that is located in the lava-flooded region to the west of the Mare Tranquillitatis. It lies to the southeast of Agrippa crater and northwest of Delambre crater. Just to the northeast are the small, bowl-shaped De Morgan and Cayley craters.
The outer rim of d'Arrest is broken in several places, with a gash at the south end and a wide gap to the northeast where only a low ridge remains in place of the original wall. The interior has been resurfaced by lava, leaving a nearly flat, featureless floor. The surviving rim is low and worn, with ridges connecting it to the south and southwest.
[edit] 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 d'Arrest crater.
| d'Arrest | Latitude | Longitude | Diameter |
|---|---|---|---|
| A | 1.9° N | 13.7° E | 4 km |
| B | 1.0° N | 13.6° E | 5 km |
| M | 1.9° N | 13.6° E | 23 km |
| R | 0.5° N | 15.6° E | 19 km |
[edit] References
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- Blue, Jennifer (July 25, 2007). Gazetteer of Planetary Nomenclature. USGS. Retrieved on 2007-08-05.
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- Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 0-936389-27-3.
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- Moore, Patrick (2001). On the Moon. Sterling Publishing Co.. ISBN 0-304-35469-4.
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