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>A giant, ≥100-km-diameter comet entered an Earth-crossing orbit in the inner solar system and began a cascade of disintegrations (Napier 2010). Nu- merous come
by aritmo 4y ago
>A giant, ≥100-km-diameter comet entered an Earth-crossing orbit in the inner solar system and began a cascade of disintegrations (Napier 2010). Nu-
merous cometary fragments from the debris stream entered Earth’s atmosphere ∼12,800 y ago and detonated above and/or collided with land, ice sheets, and oceans across at least four continents in the Northern and Southern Hemispheres.
- deleted 4y ago[deleted]
- deleted 4y ago[deleted]
- tastyfreeze 4y agoThis is a "string of pearls" scenario that we saw with Shoemaker-Levy 9. Regardless of where the impacts are, it would be a very bad day. Impacting millions of cubic miles of ice would release unimaginable amounts of water and spread ice ejecta across the landscape. https://youtu.be/yyMXE1qyATE https://youtu.be/yyMXE1qyATE