Astronomy:Williams (Martian crater)

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Short description: Impact crater on Mars
Williams Crater
Topographic location of Lyell Crater.
CoordinatesCoordinates: 18°42′S 164°18′W / 18.7°S 164.3°W / -18.7; -164.3
Diameter123.2 km (76.6 mi)
Williams Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter).

Williams is an impact crater on Mars, located in the Memnonia quadrangle at 18.7°S latitude and 164.3°W longitude. It measures 123.2 kilometres (76.6 mi) in diameter and was named after British astronomer Arthur S. Williams. The name was approved by IAU's Working Group for Planetary System Nomenclature in 1973.[1]

See also