[crater] The northern wall of this crater is missing, with only mounds appearing in the lunar mare to mark the outline. The lava that formed Mare Nectaris also invaded this crater, so the structure now forms a bay-like extension. The remainder of the rim is heavily worn and covered in lesser impact craters, leaving little of the original ri...
Found on
http://en.wikipedia.org/wiki/Fracastorius_(crater)
a walled plain in the fourth quadrant of the face of the moon: about 60 mi. (97 km) in diameter.
Found on
https://www.infoplease.com/dictionary/fracastorius
No exact match found.
