page_title: Williams (Martian crater)
hierarchical_section_title: Williams (Martian crater)
caption_attribution_description: Español: Cráter marciano Williams. (Imagen IAU/USGS/Goddard/A SU/USGS)
context_page_description: 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 kilometers 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.
context_section_description: 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 kilometers 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.
caption: Topographic location of Lyell Crater.
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