<ul><li>A strange swirl in the sky seen over much of Britain and Europe this week wasn’t the result of alien activity but rather a SpaceX Falcon 9 rocket.</li><li>The UK's Met Office confirmed that the swirl was caused by the SpaceX Falcon 9 rocket, which launched earlier in the day.</li><li>The swirl was created by the frozen exhaust plume of the rocket spinning in the atmosphere and reflecting sunlight.</li><li>Experts predict that similar sightings will become more common as the number of rocket launches increases.</li></ul>

It’s not aliens, it’s just SpaceX: scientists figure out strange spiral in the sky

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