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NIGHT SPIRAL' OVER HAWAII: On Saturday night, April 17th, a luminous spiral spun across the night sky. It was photographed by the “Subaru-Asahi Star Camera“ on Mauna Kea: It looks like a giant galaxy. In fact, it came from SpaceX. Earlier the same day, a Falcon 9 rocket launched from California's Vandenberg Space Force Base carrying a reconnaissance satellite (NROL-85) to orbit. The spiral was the aftermath. The video “shows the characteristic spiral caused by the post-deorbit-burn fuel vent of the Falcon 9 upper stage, which was deorbitted over the Pacific just after the end of the 1st revolution,“ explains
