<ul><li>A dying SpaceX rocket caused a giant spiral of light visible in the night sky over the UK and Europe.</li><li>The light show, lasting around 12 minutes, was caused by light reflecting off rocket fuel dumped by the Falcon 9 rocket.</li><li>The rocket had a secret payload for the National Reconnaissance Office.</li><li>SpaceX spirals are becoming more common as the number of Falcon 9 rocket launches increases.</li></ul>

Dying SpaceX rocket triggers giant spiral of light above UK and Europe during secret mission

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