[crater] This is a relatively young impact crater with well-defined features that have not been significantly eroded by subsequent impacts. The rim is circular but somewhat uneven along the edge, with outward protrusions along all sides except to the north and northwest. The inner wall has slumped in places, producing a sharp rim edge in th...
Found on
http://en.wikipedia.org/wiki/Finsen_(crater)

1860–1904, Danish physician: Nobel prize 1903.
Found on
https://www.infoplease.com/dictionary/finsen
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