Rainbow aurora in #Iceland. The aurora stem from solar wind interacting with Earth's atmosphere – a bright, beautiful indication of #spaceweather happening above our heads! @esaoperations #IOTW
📷 by @OllieTPhotohttps://t.co/Lqqv4zQlMl pic.twitter.com/Ad5Bv7jwOl

— ESA (@esa) February 1, 2018