
1) Russian surname
Found on
https://www.crosswordclues.com/clue/nikolayev
[crater] The circular rim of this crater is not overlain by any significant craters but has been slightly eroded. It has an uneven edge and a wide inner wall. There is a shelf running around much of the wide inner edge where the material has slumped, and some terracing along the northeastern side. The interior floor is rugged in places, par...
Found on
http://en.wikipedia.org/wiki/Nikolayev_(crater)
No exact match found.