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Nuclear winter is a severe and prolonged global climatic cooling effect that is hypothesized [1] [2] to occur after widespread firestorms following a large-scale nuclear war. [3] The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth.
The largest in the last one million years is the 14-kilometre (8.7 mi) Zhamanshin crater in Kazakhstan and has been described as being capable of producing a nuclear-like winter. [ 11 ] The source of the enormous Australasian strewnfield (c. 780 ka ) is a currently undiscovered crater probably located in Southeast Asia.
John W. Birks (born 10 December 1946, in Vinita, Oklahoma, USA) is an American atmospheric chemist and entrepreneur who is best known for co-discovery with Paul Crutzen of the potential atmospheric effects of nuclear war known as nuclear winter.
An impact winter is a hypothesized period of prolonged cold weather due to the impact of a large asteroid or comet on the Earth's surface. If an asteroid were to strike land or a shallow body of water, it would eject an enormous amount of dust, ash, and other material into the atmosphere , blocking the radiation from the Sun .
It makes dramatic long-lasting climate predictions of the effect a nuclear winter would have on the Earth, an event that is suggested by the authors to follow both a city countervalue strike during a nuclear war, and especially following strikes on oil refineries and fuel depots.
A map claiming to show the areas of the US that may be targeted in a nuclear war that originally circulated in 2015 is making the rounds again, amid the Russian war in Ukraine.
Nuclear bombs, biological agents, and poisons have scoured the Earth's surface leaving only a handful of humans alive. A nuclear winter has occurred devastating the biodiversity of the planet, leaving the remaining humans to scavenge and battle for what limited resources were left. The radiation has deformed and mutated many humans, so they ...
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