240px, Oblique Lunar Orbiter 2 view, facing south
Ramsay 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 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. It lies to the south-southwest of the larger crater
Jules Verne, and is nearly in contact with the satellite crater Jules Verne P along the northern outer rim. To the southeast of Ramsay is the crater
Koch, and to the west-southwest lies the overlapping pair of
Roche
F. Hoffmann-La Roche AG, commonly known as Roche, is a Swiss multinational healthcare company that operates worldwide under two divisions: Pharmaceuticals and Diagnostics. Its holding company, Roche Holding AG, has shares listed on the SIX ...
and
Pauli.
This is a worn crater, although the rim retains a generally circular character and is marked only by tiny craterlets (except for a notch in the south-southeast). The interior floor is relatively featureless, with a low central rise near the midpoint.
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 Ramsay.
References
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Impact craters on the Moon
