[crater] This is an irregular crater formation that has an interior ridge running from the northeast side that divides the crater nearly in half, and gives it a heart-shaped appearance. This ridge grows increasingly slender as it approaches the southwest rim, until it terminates at sharp point, giving it the appearance of a curved fang. The...
Found on
http://en.wikipedia.org/wiki/Delaunay_(crater)
1885–1941, French painter.
Found on
https://www.infoplease.com/dictionary/delaunay
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