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Met Office explain ‘likely’ reason for ‘strange spiral’ seen in the sky over Greater Manchester

In fact, it wasn't just seen around these parts but all over the world.

Danny Jones - 25th March 2025

Anyone spot that strange out-of-this-world-looking spiral in the sky last night? Lots of us did here in Greater Manchester and, as it turns out, so did lots of people up and down the country.

In fact, it was sighted all over the world.

If you’re anything like us and guilty of being quick to overreact – most of us are just excitable big kids who still daydream about shooting off to a different planet – you’ll be forgiven for having quickly jumped to the conclusion that it was aliens or some other kind of fantastical phenomenon.

Come on, who wouldn’t see this and start to wonder?

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However, we hate to spoil your fun but it wasn’t some kind of UFO or something from another universe – but is that what they want us to think?…

Just kidding; after countless people hopped on social media to question what on Earth (or rather not) was going on with the sky and post their own pictures of the strange spiral, one reason was quickly put forward by numerous users and news outlets.

It didn’t take long for those in the US, or who are at least privy to whatever random interstellar nonsense Elon Musk is up to at the minute, to point out that a SpaceX launch had just occurred.

On Monday, 24 March, the American aerospace company launched their Falcon 9 rocket just before 6pm GMT and the spiral-like shape, which was visible for several minutes before fading, is believed to have been caused by leftover fuel released by the rocket during the second phase of its launch.

With SpaceX having already shown off how their rockets can now return to Earth, the subsequent fuel plume, on the other hand, freezes instantly and the light transmitting through the atmosphere is the “likely” reason behind this strange spiral illusion, according to the Met Office and other experts.

We've received many reports of an illuminated swirl in the sky this evening 💫

This is likely to be caused by the SpaceX Falcon 9 rocket, launched earlier today. The rocket's frozen exhaust plume appears to be spinning in the atmosphere and reflecting the sunlight, causing it to… pic.twitter.com/4a9urgZceR
— Met Office (@metoffice) March 24, 2025

So whilst it may not be as sci-fi as your imaginations were hoping for, it is still a showcase of how far we’ve come in terms of technological advancements and creating visuals that would previously feel inexplicable and probably lead to the man on the street to tell his mates, ‘I saw something last night’.

As for the reason behind this most recent launch, it is said SpaceX have been tasked with a ‘classified mission’ by the US government dubbed NROL-69 (a National Reconnaissance Office designation), believed to be in regard to a growing satellite network.

Musk’s relationship with returning President Donald Trump is one that causes concern across large sections of the political landscape and as for his continued space-age innovation, many are deeply worried about the pollution and wider environmental impact caused by several of his companies.

But to circle back: no, it wasn’t some alien portal – just rocket fuel.

Incredible time-lapse.

Tonight, a glowing spiral appeared in the sky over the UK and Europe, likely caused by frozen fuel released from a SpaceX rocket’s second stage after launch. The pattern was visible for several minutes before fading.pic.twitter.com/jL7CXKmXCl
— Volcaholic 🌋 (@volcaholic1) March 24, 2025