Mons Hadley is a massif in the northern portion of the Montes Apenninus, a range in the northern hemisphere of the Moon. It has a height of 4.5km (2.8mi)14,764ft (4,500m) above the adjacent plain and a maximum diameter of 25km at the base.[1]
Oblique view of Mons Hadley, including Hadley Rille (lower right), from orbitHadley C crater, with ejecta filling in part of Hadley Rille
To the southwest of this mountain is a valley that served as the landing site for the Apollo 15 expedition. To the southwest of this same valley is the slightly smaller Mons Hadley Delta (δ) peak with a height of about 3.5km above the valley floor. Mons Hadley Delta was visited and sampled by the astronauts, but Mons Hadley itself was only photographed from the surface. To the west of these peaks is the sinuous Rima Hadley rille.
These features were named after the English mathematician John Hadley.[3]
Rima Hadley
Main article: Hadley–Apennine §Rima Hadley
This sinuous lunar rille follows a course generally to the northeast, toward the Mons Hadley peak, for which it is named. This feature is centered at selenographic coordinates 25.0° N, 3.0° E, and lies within a diameter of 80km. It begins at the crater Béla, an elongated formation with the long axis oriented to the northwest.
Nearby craters
Selenographic features of Rima Hadley and its small craters
Four small craters near this rille have been assigned names by the IAU. These are listed in the table below.
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.
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