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How the U.S. Nuked Its Own Communications Satellite

In 1962, a small spherical satellite weighing about 77 kilograms was launched from Cape Canaveral. Its name was Telstar 1, and it was the first commercial telecommunications satellite—the first of a long line that have led to today's digitally connected world, where television programs and other media are easily accessible at locations across the globe.
By the following February, however, Telstar 1 had been completely fried by energetic electrons from a U.S. high-altitude nuclear test.


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