Mega Disasters

Season 2 Episode 3

Gamma Ray Burst

Aired Tuesday 9:00 PM Sep 18, 2007 on The History Channel
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Gamma Ray Burst
AIRED:
Scientists believe gamma ray bursts were responsible for a mass extinction 450 million years ago. The gamma rays strip away the ozone layer and generate chemical smog, producing a widespread chill that grips the Earth. An expected electromagnetic pulse will zap all of our electronics. How will our modern cities hold up in the face of a previous global catastrophe?moreless

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