Alaskan Skies: Aurora and Spiral Spectacles.

Alaskans witnessed a strange spiral moving through the sky over the state, which was likely rocket exhaust from a SpaceX Transporter-7 mission that launched on the Falcon 9 about three hours earlier in California. Water vapor in the exhaust from the second stage engine freezes and catches high-altitude sunlight, effectively glowing and creating this spiral galaxy of a display. The payload is 51 satellites and it’s on its way to orbit. A brilliant aurora added to the eerie, amazing sight.