Fleming is a large 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 on 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 ...

's far side, and cannot be seen from the

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...

. It lies about a crater diameter to the east-northeast of

Hertz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that o ...

, and to the northwest of Lobachevskiy. The low rim of this formation is heavily eroded and overlaid by multiple smaller craters. The most notable of these is Fleming along the southern rim, while another, only slightly smaller crater cuts across the lower eastern rim. The interior floor is also marked by a number of small impacts and a few ghost-crater rims. The crater was named after

Alexander Alexander is a male given name. The most prominent bearer of the name is Alexander the Great, the king of the Ancient Greek kingdom of Macedonia who created one of the largest empires in ancient history. Variants listed here are Aleksandar, Al ...

and Williamina Fleming. Prior to naming in 1970 by the

IAU 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, outreach ...

, this crater was known as ''Crater 203''.Lunar Farside Chart (LFC-1A)
/ref>

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 Fleming.

References

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External links

Fleming at The Moon Wiki
Impact craters on the Moon {{Craters on the Moon: C-F