Glowing spiral appears in night sky – as Met Office reveals likely cause

Stargazers from as far north as Denmark and as far south as Milan in Italy noted the cloud-like spiral was visible for several minutes before fading. The Met Office explained in a post on X that the phenomenon was likely caused by frozen exhaust smoke from Elon Musk’s SpaceX Falcon 9 rocket.

https://news.sky.com/story/glowing-spiral-appears-in-night-sky-as-met-office-reveals-likely-cause-13335297