Birt (crater)

Birt
Coordinates	22°24′S 8°30′W / 22.4°S 8.5°W
Diameter	15.81 km (9.82 mi)
Depth	3.47 km (2.16 mi)
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. Patrick Moore called this, "a very interesting little crater".^[3] Birt is a bowl-shaped formation with a raised rim, slightly intersected along the southeast edge by the much smaller crater Birt A. To the west of Birt, a rille named Rima Birt^[4] runs north-northwest in an arc from Birt F to Birt E.^[5]^: 94

This crater was named after British selenographer William R. Birt (1804-1881).^[1] Its name was incorporated into lunar nomenclature by German astronomer J. F. Julius Schmidt in 1878.^[6] The designation was officially adopted by the International Astronomical Union in 1935.^[1]

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 Birt.^[7]

Birt^[5]^: 95	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

Gallery

The crater Birt is at lower left centre, from Apollo 16
Oblique view of Rupes Recta (left), Birt (center), and Rima Birt (right), from Apollo 16

References

1 2 3 "Birt". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
↑ Pike, R. J. (September 1976). "Crater Dimensions from Apollo Data and Supplemental Sources". The Moon. 15 (3–4): 463–477. Bibcode:1976Moon...15..463P. doi:10.1007/BF00562253.
↑ Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.
↑ Grego, Peter (2005). The Moon and How to Observe It. Astronomers' Observing Guides Series. London: Springer-Verlag. p. 178. ISBN 1-85233-748-6.
1 2 Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
↑ Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. p. 224. ISBN 978-0-521-62248-6.
↑ Grego, P. (2015). "Satellite Crater". In Hargitai, H.; Kereszturi, Á. (eds.). Encyclopedia of Planetary Landforms. New York, NY: Springer. doi:10.1007/978-1-4614-3134-3_328.

Sources

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.
Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.

External links

Wood, Chuck (August 8, 2006). "Odd Interiors". Lunar Photo of the Day. Archived from the original on 2024-05-11. Retrieved 2017-01-25.

[GPN-1] 1 2 3 "Birt". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

[Pike_1976-2] Pike, R. J. (September 1976). "Crater Dimensions from Apollo Data and Supplemental Sources". The Moon. 15 (3–4): 463–477. Bibcode:1976Moon...15..463P. doi:10.1007/BF00562253.

[Moore_2001-3] Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.

[Grego_2005-4] Grego, Peter (2005). The Moon and How to Observe It. Astronomers' Observing Guides Series. London: Springer-Verlag. p. 178. ISBN 1-85233-748-6.

[Bussey_Spudis_2004-5] 1 2 Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.

[Whitaker_1999-6] Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. p. 224. ISBN 978-0-521-62248-6.

[Grego_2015-7] Grego, P. (2015). "Satellite Crater". In Hargitai, H.; Kereszturi, Á. (eds.). Encyclopedia of Planetary Landforms. New York, NY: Springer. doi:10.1007/978-1-4614-3134-3_328.

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