Ehrlich (crater)

Crater on the Moon

Feature on the moon

Ehrlich

LRO image

Coordinates| 40°49′N 172°16′W﻿ / ﻿40.82°N 172.27°W﻿ / 40.82; -172.27
Diameter| 33.58 km (20.87 mi)
Depth| Unknown
Colongitude| 173° at sunrise
Eponym| Paul Ehrlich

Ehrlich is a small lunar impact crater named after the German scientist Paul Ehrlich. It is located in the northern hemisphere on the Moon's far side. It lies within a rugged region that has been extensively bombarded by impacts of comparable size. Ehrlich lies about midway between the craters Parsons to the south and the heavily worn Guillaume to the north.

This is a worn crater with features that have become softened and rounded due to bombardment. A pair of small craters are attached to the exterior along the southern rim. The interior floor and inner walls are nearly featureless and there are no impacts of note within the rim.

The crater was formally named by the IAU in 1970 after German doctor and Nobel Laureate Paul Ehrlich.[1]

## Satellite craters

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By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Ehrlich.

Ehrlich  | Latitude  | Longitude  | Diameter

|
|
|

J  | 40.2° N  | 170.7° W  | 25 km
N  | 39.0° N  | 173.1° W  | 19 km
W  | 42.7° N  | 174.0° W  | 26 km
Z  | 42.2° N  | 172.4° W  | 28 km

## References

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1. ^ Ehrlich, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)

* Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
* Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
* Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
* Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1.
* McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.
* Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews. 12 (2): 136–186\. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. S2CID 122125855.
* Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.
* Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.
* Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
* Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. `{{cite book}}`: ISBN / Date incompatibility (help)
* Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.
* Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.

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Craters on the Moon: C–F

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* Crookes
* Crozier
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* Cysatus

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* Draper
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* Drude
* Dryden
* Drygalski
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* Dufay
* Dugan
* Dunér
* Dunthorne
* Dyson
* Dziewulski

* Eckert
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* Ehrlich
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* Ewen

* Fabbroni
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