Instant Alert: Antarctica's sky just lit up with electric-blue clouds — here's why

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   Antarctica's sky just lit up with electric-blue clouds — here's why by Rob Ludacer and Jessica Orwig on Dec 2, 2016, 3:56 PM Each year, Antarctica gets a visit from clouds that shine a brilliant, electric blue. These clouds, called noctilucent clouds, light up the sky during the summer time for the South Pole. NASA recently released footage from its AIM spacecraft, which observed the first noctilucent clouds of the season on November 17.  Follow Tech Insider: On Facebook   Share the latest business news with your network:    Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011