In the late 1960s, a set of United States satellites built to watch for clandestine nuclear weapons...
A pair of American satellites built to catch the Soviets cheating on a nuclear test ban kept detecting unexplained flashes, and the flashes turned out to be the most powerful explosions in the universe coming from billions of light-years away
In the late 1960s, a set of United States satellites built to watch for clandestine nuclear weapons tests began recording brief flashes of gamma radiation...
Author: Space Daily
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