
The bloom of exhaust that blossomed in Southern California’s skies during Dec. 22’s liftoff of a Falcon 9 rocket sparked jokes and jitters — with SpaceX CEO Elon Musk joining in.
Was it an alien visitation? A North Korean rocket attack? A stunt involving Santa’s sleigh?
Folks who were following the launch of 10 Iridium NEXT satellites from Vandenberg Air Force Base at sunset knew full well what it was: a rocket booster’s contrail, catching the last rays of sunlight high above the California coast.
But for a while there, it was a mystery to unaware residents in Los Angeles, San Diego and locales in between. Such displays, including the infamous “Norway Spiral” of 2009, often spark UFO reports.