Great Impact Debates

Great Impact Debates where panelists discuss the search for near-Earth asteroids, and the damage that small impacts inflict compared to larger impacts, find scientific value in studying asteroids and comets, threat of asteroid and comet impacts, nuclear detonations and more.

  • A recent study is contributing to our understanding of the end-Cretaceous mass extinction, which occurred some 66 million years ago. This event is possibly best known for wiping out the dinosaurs, and is one of the most well-studied mass extinctions in Earth’s history.
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  • In the final part of this series, the debate participants respond to questions posed by our readers. Such questions include: "Are nuclear detonations, such as those depicted in the movie 'Armageddon', the best way to divert asteroids?"
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  • How we could respond to the threat of an asteroid heading for Earth, and what sort of projects would best serve future NEO goals?
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  • The panelists discuss the search for near-Earth asteroids, and the damage that small impacts inflict compared to larger impacts.
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  • The media and others place a great deal of emphasis on the threat of asteroid and comet impacts. Is that attention unwarranted?
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  • What is the scientific value in studying asteroids and comets?
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