Swift is a small lunar

impact crater An impact crater is a depression (geology), depression in the surface of a solid astronomical body formed by the hypervelocity impact event, impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal c ...

located in the northwestern part of the Mare Crisium, in the northeast part of the

Moon The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...

's near side. Within two crater diameters to the south is the larger crater Peirce. It was named after American astronomer Lewis A. Swift. Swift was previously designated Peirce B. This circular and bowl-shaped formation has a small floor at the midpoint of the sloping interior walls. It is a symmetrical crater with little evidence of wear from minor impacts. This crater has been incorrectly named 'Graham' on some maps.

References

* * * * * * * * * * * {{refend Impact craters on the Moon