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The Green Flash - Essay Example

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Summary
In the essay “The Green Flash” the author focuses on an optical illusion that happens either right before the sun rises or right after it sets. The phenomenon appears as either a green spot directly above the sun or as a ray of green light which seems to shoot up from the top of the sun…
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The Green Flash
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Extract of sample "The Green Flash"

The easiest places to see the green flash are those where the horizon is not blocked by buildings or other large objects. The ocean, above a layer of clouds, or on top of a mountain are all good examples. Green flashes do not last very long so it can be difficult to see them. At most, they last for a few seconds.The Nuclear Winter ScenarioNuclear winter is a terrifying possible effect of nuclear warfare. Basically what would happen is that the dust and soot from the fires started by many nuclear bombs going off would leak into the far upper atmosphere.

Due to being heated by sunlight after reaching the upper atmosphere, these clouds of debris would then rise even further, above normal weather conditions. Since they could no longer be washed away by rain or blown away by the wind, these clouds would stay in the air for many years, causing temperatures to drop around the earth. If there had been a very large nuclear war, the temperature change could be quite drastic, or it could be as small as a few degrees in the case of a smaller conflict.In addition to causing cooler temperatures, a nuclear winter would have an effect on rainfall, lowering it by up to 75% in some areas in the three months immediately following the cloud entering the atmosphere.

Nuclear Winter would also have a devastating effect on the world's ozone layer, decreasing it by as much as 20% overall across the globe. This would increase the amount of UV radiation that got through, causing more skin cancers and more damage to humans, animals, and plants.However, some recent research suggests that older studies on the damages caused by Nuclear Winter have been exaggerated and that although one would still cause a lot of damage to the environment, it might not be nearly as bad as previously suggested.

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The Green Flash Essay Example | Topics and Well Written Essays - 500 words. https://studentshare.org/physics/1565450-green-flash-and-nuclear-winter-scenario
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The Green Flash Essay Example | Topics and Well Written Essays - 500 Words. https://studentshare.org/physics/1565450-green-flash-and-nuclear-winter-scenario.
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