Montes Harbinger is an isolated cluster of

lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...

s at the western edge of the

Mare Imbrium Mare Imbrium (Latin ''imbrium'', the "Sea of Showers" or "Sea of Rains", "Sea of Tears") is a vast lava plain within the Imbrium Basin on the Moon and is one of the larger craters in the Solar System. The Imbrium Basin formed from the colli ...

basin. The mountains consist of four primary ridges plus several smaller hills, each forming a small rise surrounded by the

lunar mare The lunar maria (; singular: mare ) are large, dark, basaltic plains on Earth's Moon, formed by ancient asteroid impacts on the far side on the Moon that triggered volcanic activity on the opposite (near) side. They were dubbed , Latin for 'seas' ...

. The cluster is centered at selenographic

coordinate In geometry, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements on a manifold such as Euclidean space. The order of the coordinates is sign ...

s 26.9° N, 41.3° W, within a diameter of 93 km. The formation is so-named because the peaks serve as the

harbinger A harbinger is a forerunner or forewarning, but may also refer to: Companies * Harbinger Corp., an Internet-oriented business * Harbinger Capital, a hedge fund * Harbinger Knowledge Products, an eLearning products and content services compan ...

s of dawn on the crater Aristarchus, located to the southwest. The flooded crater Prinz is located to the southwest.

References

{{Reflist Harbinger, Montes