Finch mentions that the aurora is constantly visible at night due to ozone layer destruction. However, the aurora is the result of charged solar wind particles ionizing the atmosphere, like a neon lamp, and is found in the polar regions because of the earth's magnetic field. The ozone layer has nothing to do with the aurora or the earth's magnetic field, and so loss of the ozone layer would not change the latitudes at which it was visible.A powerful solar flare can cause the aurora to become visible over lower latitudes, but only while the flare is still ongoing. Flares typically last at most a few days, even powerful flares. Given the state of civilization in the movie, it has clearly been many years since the ozone-destroying flare hit, and it would have long since subsided.
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05/03/2025 alle ore 07:21
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