High Quality Content by WIKIPEDIA articles! In science fiction, a planet killer, planet buster, or similar variations on that meaning, is a fictional object or device capable of either destroying an entire planet or otherwise rendering it uninhabitable – a variety of a doomsday device. Examples of such devices include the Death Star from the Star Wars film franchise, the "Doomsday Machine" seen in the original Star Trek television series or the atomic powered stone burners from Frank Herbert`s Dune books.