杜庫伯爵
A similar technology was the theme in the "" episode, . In the episode, Lightships are described as an ancient technology used by Bajorans to travel beyond their solar system by using light from the Bajoran sun and specially constructed sails to propel them through space (). In the 2002 Star Wars film Attack of the Clones the main villain Count Dooku was seen using a spacecraft with solar sails.