Mons Hadley Delta

Mons Hadley Delta (δ) is a massif in the northern portion of the Montes Apenninus, a range in the northern hemisphere of the Moon adjacent to Mare Imbrium. It has a height of 3.6 km above the plains to the north and west.

Mons Hadley Delta and St. George crater taken by Dave Scott during stand-up EVA of the Apollo 15 expedition on July 30, 1971
Mons Hadley Delta
Mons Hadley Delta from orbit, facing east, with the Apollo 15 landing site at left
Highest point
Elevation8789 m (summit)[1]
ListingLunar mountains
Coordinates25.72°N 3.71°E / 25.72; 3.71[2] 
Geography
Locationthe Moon

To the north of this mountain is a valley that served as the landing site for the Apollo 15 expedition. To the northeast of this same valley is the slightly larger Mons Hadley peak with a height of about 4.6 km. To the west of these peaks is the sinuous Rima Hadley rille.

These features were named after mathematician John Hadley.[3]

On the Apollo 15 mission in 1971, the astronauts David Scott and James Irwin explored the lower reaches of the north slope of Mons Hadley Delta, and collected many samples which were returned to earth. Station 2 was near St. George crater, and Stations 6, 6A, and 7 were at or near Spur crater. They found the famous "Genesis Rock", sample 15415, at Spur. A clast of anorthosite within this rock is likely to be a piece of the primordial lunar crust.

See also

References
  1. LTO-41B4 Hadley — L&PI Lunar Topographic Orthophotomap
  2. "Mons Hadley Delta". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  3. "Mons Hadley". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
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  • 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.
  • 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.
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.
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