Birt (crater)
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For other uses of the word Birt see Birt (disambiguation)
 The lunar crater Birt and its environs. |
|
| Coordinates | 22°24′S 8°30′W / 22.4°S 8.5°WCoordinates: 22°24′S 8°30′W / 22.4°S 8.5°W |
|---|---|
| Diameter | 17 km |
| Depth | 3.5 km |
| Colongitude | 9° at sunrise |
| Eponym | William R. Birt |
Birt is a lunar impact crater located in the eastern half of the Mare Nubium and west of the Rupes Recta.
Birt is a bowl-shaped formation with a raised rim, slightly slightly intersected along the southeast edge by the much smaller crater Birt A. To the west of Birt, a rille named Rima Birt runs north-northwest in an arc from Birt F to Birt E.
[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 Birt.
| Birt | Latitude | Longitude | Diameter |
|---|---|---|---|
| A | 22.5° S | 8.2° W | 7 km |
| B | 22.2° S | 10.2° W | 5 km |
| C | 23.7° S | 8.3° W | 2 km |
| D | 21.0° S | 9.8° W | 3 km |
| E | 20.7° S | 9.6° W | 5 km |
| F | 22.3° S | 9.1° W | 3 km |
| G | 23.1° S | 8.2° W | 2 km |
| H | 23.0° S | 9.1° W | 2 km |
| J | 23.0° S | 9.4° W | 2 km |
| K | 22.4° S | 9.7° W | 2 km |
| L | 21.6° S | 9.3° W | 3 km |
[edit] References
- 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. http://planetarynames.wr.usgs.gov/. 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.
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- McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. http://host.planet4589.org/astro/lunar/. 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.
- 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 revision ed.). Dover. ISBN 978-0-486-20917-3.
- Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.
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