A mysterious spiral was captured on camera above the northern lights in Alaska by Todd Salat and Elizabeth Withnall.
An expert, Don Hampton, believes it was likely caused by fuel being released from a SpaceX rocket.
The rocket, SpaceX Transporter-7 mission, launched on Falcon 9 from California about three hours before the sighting.
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According to Hampton, water vapor in the exhaust from the rocket’s second stage engine froze and caught high-altitude sunlight, creating the spiral display.
The event caused a stir on social media.
However, the expert’s explanation seems to have provided a satisfactory answer to the mystery.
The incident serves as a reminder of the impact of human activities on the natural environment and the importance of responsible use of technology.