Mystical spiral blue light illuminated the European night sky on Monday.
Experts say the universe vortex was shot in a spectacular video and was created by the SpaceX Falcon 9 Rocket Booster.
A time-lapse video, taken from Croatia around 4pm on EST or around 9pm local time, is likened to a Spiral Galaxy by many social media commentators, showing light circling across the sky. The complete video at normal speed lasts about 6 minutes.
Many social media commenters compared the stunning display to a Spiral Galaxy (Medicachristian/TMX)
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The UK Met Office said it received many reports of “swirling swirls in the sky,” and it is likely to be caused by a SpaceX rocket launched from Cape Canaveral in Florida at about 1:50pm on EST as part of the government’s classified NROL-69 mission. SpaceX, owned by Elon Musk, had launched payloads on behalf of the government’s intelligence agency, the National Reconnaissance Agency (NRO).
“This is likely to be caused by the SpaceX Falcon 9 rocket launched early today,” Met Office wrote to X.
According to Space.com, shining light is an example of what some people call the “SpaceX spiral.”


Mystical spiral blue light that could be caused by the SpaceX Falcon 9 rocket illuminated the European night sky on Monday. (Medicachristian/TMX)
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The SpaceX spiral develops after the upper stage of the Falcon 9 rocket is separated from the first stage booster. As the top stage continues towards space, the bottom drops, returning to Earth and discarding the rest of the fuel.
The fuel then freezes instantly for its highlands and light, reflecting it, creating a strange-looking glow in the sky following the outlet.


On March 14, 2025, a SpaceX Falcon 9 rocket explodes from the launch pad at NASA’s Kennedy Space Center in Cape Canaveral, Florida. (SpaceX/NASA)
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Fox News Digital reached out to SpaceX for comment but did not receive an immediate response.
Monday’s Cosmic Display came just days after the SpaceX team, in collaboration with NASA, returned two stuck astronauts from space.