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Curated category

Hypothetical impact events

  • Shiva hypothesisWilliam Napier and Victor Clube published a paper in the journal Nature during 1979. Their article carried the title A Theory of Terrestrial Catastrophism.
  • Giant-impact hypothesisIn 1898, George Darwin proposed that Earth and the Moon were once a single body. He suggested a molten Moon had been spun from Earth due to centrifugal…
  • Late Heavy BombardmentApollo 15, 16, and 17 landing sites were chosen for their proximity to the Imbrium, Nectaris, and Serenitatis basins. Astronauts collected impact melt rocks…