What is rupes nigra?

Rupes Nigra is a lunar scarp located on the Moon's surface. It is a prominent ridge or escarpment that runs for approximately 370 kilometers on the eastern side of the Mare Imbrium basin. The scarp is thought to have formed when the outer rim of a large impact basin collapsed, creating a steep, cliff-like feature.

Rupes Nigra is believed to be one of the youngest features on the Moon, with estimates of its age ranging from several hundred million to a billion years old. The name "Rupes Nigra" is Latin for "Black Cliff," referring to the dark appearance of the feature against the lighter-colored lunar surface.

The scarp is of interest to scientists studying the Moon's geology and tectonic activity, as it provides insights into the processes that have shaped the Moon's surface over time. Additionally, Rupes Nigra is a popular target for amateur astronomers and lunar observers, as its steep cliffs and rugged terrain make for impressive viewing through telescopes.