Astronomy:Williams (Martian crater)
Topographic location of Lyell Crater.
|Diameter||123.2 km (76.6 mi)|
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.
Map showing the relative positions of Williams Crater and other nearby craters in Memnonia quadrangle
Original source: https://en.wikipedia.org/wiki/ Williams (Martian crater). Read more