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Word: protonuclear (lookup in dictionary) (lookup stats)
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...North America to Asia. Several hundred billion tons of plants and animals would have been incinerated, sending great scarves of black smoke to join the impact dust in the stratosphere and circulate around the globe. What is more, because soot does not rain out as easily as dust, the protonuclear winter would have lasted much longer than it would through obscuring dust alone. Most plants and large animals that survived the blast, the fire and the lethal clouds of carbon monoxide would have succumbed to the climatic changes. But smaller creatures could have slipped into caves and hibernated until sunlight...

Author: /time Magazine | Title: Science: Comet Fire:Did it doom the dinosaurs? | 10/14/1985 | See Source »

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