- Also known as the nuclear twilight, this refers to the cooling and darkening of the globe that is expected to happen as a result of a severe nuclear explosion.
- It is believed that the smoke, dust and other byproducts of a huge nuclear explosion could form a thick layer of soot over earth’s atmosphere and prevent the entry of sunlight to its surface.
- It is also hypothesised that nuclear explosions could release chemicals that damage the ozone layer.
- The term was coined by American scientist Carl Sagan in a 1983 pamphlet warning about the devastating effects of a nuclear war between the U.S. and the Soviet Union.
Source:TH