Spiral in the sky likely to be from SpaceX launch

A large glowing spiral visible in the night sky on Monday is believed to have been caused by a SpaceX rocket launch in the US. The Met Office said the shape was likely produced by a frozen plume of fuel from the rocket's exhaust, which reflected the sunlight and appeared to spin in the atmosphere. The cloud-like shape was visible for several minutes above the UK and elsewhere in Europe before fading. More

(Source: BBC - Mar 26)