It glowed like a 4th magnitude star, NASA says, thanks to an explosion equivalent to 5 tons of TNT.

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By comparison, the first atomic bombs developed by the United States produced an explosion equivalent to about 19 kilotons, or 19, 000 tons of TNT, according to the U.S. Air Force.

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"It was probably the same as the computer games explosion of the '90s - that's the equivalent of what these children were being exposed to, " said Mr Wetherell.

BBC: Northampton