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Nemesis Star Hypothesis — #9 in Top 10 Most Controversial Science Theories | Top10Grid

Top 10 Most Controversial Science Theories/#9 Nemesis Star Hypothesis

#9

Nemesis Star Hypothesis

The idea that a distant companion star to the Sun periodically disturbs the Oort Cloud and triggers mass extinction events captivated astronomers in the 1980s but has never been confirmed.

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