Unraveling the Mystery of Alaska's Glowing Spiral in the Night Sky

TL;DR Summary
A light baby blue spiral resembling a galaxy appeared amid the aurora in Alaska's night sky, caused by excess fuel released from a SpaceX rocket that launched from California. The fuel turned into ice and reflected sunlight, creating a spiral cloud. The appearance of the swirl was caught in time-lapse on the Geophysical Institute’s all-sky camera and shared widely. While not a common sight, similar occurrences have been seen about three times.
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- Mysterious glowing spiral in the sky over Alaska draws questions, and a simple explanation Anchorage Daily News
- What Caused This Strange Glowing Spiral Over Alaska? There's a Simple Answer ScienceAlert
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