Sisakyan (Moon)

Named after Noraír Martirósovich Sisakyan - Soviet doctor and biochemist (1907-1966).

Sisakyan is a lunar crater that is located , beyond the northeastern rim. This is a heavily eroded crater formation with a rugged outer rim and an uneven interior floor. There are smaller craters attached to the exterior rim along the northwest, northeast, and southeast. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.