"When Worlds Collide" is primarily known as a 1951 American science fiction disaster film. The story revolves around a rogue star named Bellus and its accompanying Earth-sized planet Zyra, which are on a collision course with Earth. The film portrays the desperate efforts of a group of survivors to build a space ark to transport selected people to Zyra before the Earth is destroyed by Bellus. The actual collision is depicted as happening within about eight months from the discovery, with devastating effects on Earth before the survivors escape to the new planet Zyra.
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