Hansen is a lunar impact crater that is located near the eastern limb of the Moon. It was named after Danish astronomer Peter Andreas Hansen.[1] It lies to the northeast of the larger crater Condorcet, and to the south of the smaller Alhazen.
 Apollo 17 image | |
| Coordinates | 14°00′N 72°30′E / 14.0°N 72.5°E |
|---|---|
| Diameter | 39 km |
| Depth | 1.5 km |
| Colongitude | 288° at sunrise |
| Eponym | Peter Andreas Hansen |
The outer wall of Hansen is sharp-edged, with a slight outward bulge to the southwest. The inner wall drops downward to a shelf of slumped material, then to a slightly bowl-shaped interior. There is a central peak formation at the midpoint of the interior.
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 Hansen. All are in the east with the A being closer and the B being further.
| Hansen | Latitude | Longitude | Diameter |
|---|---|---|---|
| A | 13.3° N | 74.3° E | 13 km |
| B | 14.3° N | 79.9° E | 80 km |
References
edit- ^ "Hansen (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
- Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
- 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.
- 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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