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Mons Hadley is a
Four small craters near this rille have been assigned names by the IAU. These are listed in the table below.
Joy
Feature 2851
LTO-41B4 Hadley
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Lunar Topographic Orthophotomap Hadley, Mons
massif
A massif () is a principal mountain mass, such as a compact portion of a mountain range, containing one or more summits (e.g. France's Massif Central). In mountaineering literature, ''massif'' is frequently used to denote the main mass of an ...
in the northern portion of the Montes Apenninus, a range in the northern hemisphere of the Moon
The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
. It has a height of above the adjacent plain and a maximum diameter of 25 km at the base.
To the southwest of this mountain is a valley
A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over ...
that served as the landing site for the Apollo 15
Apollo 15 (July 26August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing. It was the first List of Apollo missions#Alphabetical mission types, J mission, with a longer stay on the Moon and a greate ...
expedition. To the southwest of this same valley is the slightly smaller Mons Hadley Delta (δ) peak with a height of about 3.5 km 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 (1682–1744).
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 atselenographic coordinates
The selenographic coordinate system is used to refer to locations on the surface of Earth's moon. Any position on the lunar surface can be referenced by specifying two numerical values, which are comparable to the latitude and longitude of Earth ...
25.0° N, 3.0° E, and lies within a diameter of 80 km. It begins at the crater Béla, an elongated formation with the long axis oriented to the northwest.
Nearby craters
Four small craters near this rille have been assigned names by the IAU. These are listed in the table below.
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 Mons Hadley. The crater Joy was formerly known as Hadley A, prior to being renamed by the IAU in 1973.Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)Joy
Feature 2851
See also
*List of mountains on the Moon
This is a list of mountains on the Moon (with a scope including all named ''mons'' and ''montes'', planetary science jargon terms roughly equivalent to 'isolated mountain'/'massif' and 'mountain range').
Caveats
* This list is not comprehensiv ...
References
* * * * * * * * * * *External links
{{CommonscatLTO-41B4 Hadley
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Lunar Topographic Orthophotomap Hadley, Mons