Tvashtar Paterae (Io)

Indian sun god and smith who forged the thunderbolt of the thunder god Indra.

Tvashtar Paterae compose an active volcanic region of Jupiter's moon Io located near its north pole. Tvashtar was studied by the Galileo spacecraft over several years. During this time, a 25-kilometre (wikipedia entry)

A patera is an irregular crater, or a complex one with scalloped edges. Usually the dish-shaped depression atop a volcano. On Io they are named after words for fire, sun or thunder; volcano gods, heroes, goddesses or mythical blacksmiths.