Swift is a small
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 ...
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 craters ...
that is located in the northwestern part of the
Mare Crisium
Mare Crisium (Latin ''crisium'', the "Sea of Crises") is a lunar mare located in the Moon's Crisium basin, just northeast of Mare Tranquillitatis. The basin is of the Pre-Imbrian period, 4.55 to 3.85 billion years ago.
Characteristics
Mare Cri ...
, in the northeast part 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 ...
'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 formation is circular and bowl-shaped, with a small floor at the midpoint of the sloping interior walls. It is a symmetrical crater with little appearance of wear from minor impacts.
This crater has been incorrectly named 'Graham' on some maps.
References
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Impact craters on the Moon