The Shiva hypothesis, also known as coherent catastrophism, is the idea that global natural catastrophes on Earth, such as extinction events, happen at regular intervals because of the periodic motion of the Sun in relation to the Milky Way galaxy. See more William Napier and Victor Clube in their 1979 Nature article, ”A Theory of Terrestrial Catastrophism”, proposed the idea that gravitational disturbances caused by the Solar System crossing the plane of the Milky Way galaxy are … See more The Sun's passage through the higher density spiral arms of the galaxy, rather than its passage through the plane of the galaxy, could hypothetically coincide with mass extinction on … See more Starting in 1984, Michael R. Rampino published followup research on the hypothesis. Certainly Rampino was aware of Napier and Clube's earlier publication, as Rampino and Stothers' letter to Nature in 1984 references it. In the 1990s, … See more • Local Bubble • Tyche (hypothetical planet) See more • Napier and Clube's 1979 article "A Theory of Terrestrial Catastrophism" • A description of the Shiva hypothesis by Michael Rampino • Asteroid/Comet Impact Craters and Mass Extinctions and Shiva Hypothesis of Periodic Mass Extinctions, by Michael Paine See more WebBoth can be viewed as memorials of catastrophic encounters with the Taurid meteor stream, consistent with Clube and Napier’s theory of coherent catastrophism. The date of the likely comet strike recorded at Lascaux is 15,150 ± 200 BC, corresponding closely to the onset of a climate event recorded in a Greenland ice core.
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WebIs Göbekli Tepe the ‘smoking gun’ for the Younger-Dryas cometary encounter, and hence for coherent catastrophism? AB - We have interpreted much of the symbolism of Göbekli … WebDavid Morrison's disparaging remarks on the coherent catastrophism espoused by Clube and Napier and coworkers are not warranted. Morrison lauds Hazards Due to Comets and Asteroids, edited by Tom Gehrels, but neglects to mention that Clube and coworkers are contributors. Morrison fails to distinguish properly between the stochastic model, marked ... shivaji death reason
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WebJan 1, 1994 · We review the theoretical and observational evidence that, on timescales relevant to mankind, the prime collision hazard is posed by temporally correlated impacts … WebThe theory of coherent catastrophism is still controversial, suggesting that the Earth has been regularly subjected to catastrophes from passing comets. But Sweatman and Coombs say that if their ... Webefficiently find coherent counterfactual explanations i.e. solutions that are guaranteed to map back onto the underlying data structure, while avoiding the need for brute-force … shivaji easy drawing