Mons Agnes is a hill ( "mountain") on the Moon, in

Lacus Felicitatis Lacus Felicitatis (Latin ''fēlīcitātis'', "Lake of Happiness") is a small patch of the lunar surface that has been inundated by flows of lava, leaving a level patch with a lower albedo than the surrounding ground. It is located in Terra Niviu ...

, inside the crater-like feature Ina, at . It has a maximal width of approximately 650 m (the smallest of all named lunar mountains as of 2014). Its height is more difficult to determine; from

Apollo 15 Apollo 15 (July 26August 7, 1971) was the ninth crewed mission in the United States' Apollo program and the fourth to Moon landing, land on the Moon. It was the first List of Apollo missions#Alphabetical mission types, J mission, with a ...

images it was determined as about 30 m, but a newer map, based on LRO photos, gives about 10 m. Mons Agnes (and the entire Ina crater) was discovered on the photos made by

from lunar orbit in 1971. In 1974 NASA published a topophotomap where its name first appeared: it received Greek feminine name Agnes. In 1979 this name (with a term ''Mons'' – "mountain") was adopted by the

International Astronomical Union The International Astronomical Union (IAU; french: link=yes, Union astronomique internationale, UAI) is a nongovernmental organisation with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreac ...

. Mons Agnes is one of several dozens of similar hills inside Ina (but one of the largest). Their origin, as for Ina on the whole, remains enigmatic.

References

External links

*
Interactive map of Mons Agnes and the neighbourhood

Set of high-resolution interactive maps of the region

Map of LAC-41 quadrangle

Mons Agnes
on The-Moon Wiki

Mountains on the Moon {{moon-stub