The Truth About the Sun's 'Twin' and the Dinosaurs

The video explores the hypothesis that the Sun may have had a twin star, which some speculate could have caused the extinction of the dinosaurs. This idea is based on a study suggesting that stars often form in pairs. The video explains the formation and evolution of binary star systems, using observations and computer simulations. It also discusses the Nemesis hypothesis, which posits a brown dwarf star could have influenced asteroid impacts on Earth. However, the video clarifies that the study does not support the Nemesis theory, as no such star has been found near the Sun.

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