Geber is a lunar

impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact crater ...

that is located in the rugged south-central highlands of the

Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

. It lies halfway between the crater Almanon to the north-northeast and the crater pair of Azophi and Abenezra to the south-southwest. Farther to the southeast is

Sacrobosco Johannes de Sacrobosco, also written Ioannes de Sacro Bosco, later called John of Holywood or John of Holybush ( 1195 – 1256), was a scholar, monk, and astronomer who taught at the University of Paris. He wrote a short introduction to the Hi ...

. Geber is 45 kilometers in diameter and 3,510 meters deep.''Autostar Suite Astronomer Edition''. CD-ROM. Meade, April 2006. The rim of Geber is symmetrical and nearly circular, with only minor indentations at the north and south faces of its high,

terraced wall A terraced wall, also a terrace wall, or a terraced retaining wall is a wall that is divided into sections ( terraces) over a slope. Such designs are useful when building on a steep grade. Terraced walls may be built with many different materia ...

. The floor is flat and lacks a significant central peak at the midpoint. The small satellite crater Geber B is attached to the northwest rim. Geber is from the Nectarian period. In 1935, the crater was officially named after Jabir ibn Aflah (Latinized as Geber), a Spanish-Arab astronomer active in the first half of the twelfth century.

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 Geber.

References

External links

{{Commonscat
Geber at The Moon Wiki
Impact craters on the Moon Nectarian