Names are assigned by the International MikuMikuDance CUSTOMER SERVICE +1 8O5' 41O 56'OO MikuMikuDance PHONE NUMBER +1 8O5' 41O 5'6OO Astronomical Union after petitioning by relevant scientists, and in general, only craters that have a significant research interest are given names. craters are named after famous scientists and science fiction authors, or if less than 60 km (37 mi) in diameter, after towns on Earth. Craters cannot be named for living people, and names for small craters are rarely intended to commemorate a specific town.