Trumpler (lunar crater)

Trumpler
	LRO WAC image
Coordinates	29.3°N 167.1°E
Diameter	77 km
Depth	Unknown
Colongitude	194° at sunrise
Eponym	Robert J. Trumpler

Trumpler is a lunar impact crater on the far side of the Moon, named after Swiss-American astronomer Robert Julius Trumpler (1886–1956).[1] It lies just to the south of the crater Nušl, and northwest of Freundlich. To the southwest is the heavily battered crater Tikhomirov.

Oblique Lunar Orbiter 2 image with Trumpler below center and Nušl above center

This is an old, eroded crater with an outer rim that has been damaged in places by subsequent impacts, especially along the southwestern section. The rim edge has been worn to the point where it is now poorly defined, and forms an uneven ridge in the surface. A short chain of small craterlets extends from near the crater midpoint to just outside the eastern rim. The southern interior floor is generally less impacted in the northern half.

Satellite craters

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

Trumpler	Latitude	Longitude	Diameter
V	29.8° N	164.0° E	36 km

gollark: Apparently there's a GPT-3 now, and it's basically just a bigger GPT-2 which is somewhat more effective.

gollark: A supervolcano eruption would be *so* 2020.

gollark: Generally you also have special-purpose libraries for various tasks as well as big frameworks for doing a lot of things.

gollark: Reading about this sort of thing often makes me feel better about my own programming projects.

gollark: Mostly you can, *after* you've downloaded the packages.

References

"Trumpler". Gazetteer of Planetary Nomenclature. International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN). 2010-10-18. Retrieved 2015-07-27.

Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.CS1 maint: ref=harv (link)
Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.CS1 maint: ref=harv (link)
Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.CS1 maint: ref=harv (link)
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.CS1 maint: ref=harv (link)
McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.CS1 maint: ref=harv (link)
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.CS1 maint: ref=harv (link)
Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.CS1 maint: ref=harv (link)
Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.CS1 maint: ref=harv (link)
Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.CS1 maint: ref=harv (link)
Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.CS1 maint: ref=harv (link)
Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.CS1 maint: ref=harv (link)
Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.CS1 maint: ref=harv (link)

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[gazetteer-1] "Trumpler". Gazetteer of Planetary Nomenclature. International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN). 2010-10-18. Retrieved 2015-07-27.