"The Doomsday Machine" is the sixth episode of the second season of the American science-fiction television series Star Trek. Written by Norman Spinrad and directed by Marc Daniels, it was first broad
The USS Constellation enters the Doomsday Machine.
Doomsday device
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A doomsday device is a hypothetical construction – usually a weapon or weapons system – which could destroy all life on a planet, particularly Earth, or destroy the planet itself, bringing "doomsday",
The Doomsday Machine (Star Trek: The Original Series)
…the machine subsequently destroyed the ship's transporter, and then the planet, killing the entire crew. Kirk theorizes that the machine is an ancient doomsday machine, which must be stopped before it reaches more populated sectors of the galaxy. McCoy and Decker transport to Enterprise, which has taken Constellation…
Many hypothetical doomsday devices are based on salted hydrogen bombs creating large amounts of nuclear fallout. Above, the Castle Romeo nuclear test (yield 11 megatons) at Bikini Atoll of the Marshall Islands, conducted on a barge moored in the middle of the crater created from the Castle Bravo test and the first nuclear test conducted on a vessel (March 26, 1954).