Merit Ptah (Venus)

Named after Ptah - Egyptian queen, physician (c. 2700 B.C.).

Merit Ptah is an impact crater on Venus named in honor of the chief physician Merit Ptah in ancient Egypt. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On Venus they are named after deceased women who have made outstanding or fundamental contributions to their field (if over 20 km). If smaller common female first names are used.