Glowing Clouds Shine in Electric Blue Over Antarctica (Photos)
Tuesday, December 6, 2016 - 07:01
in Astronomy & Space
New images from NASA's Aeronomy of Ice in the Mesosphere (AIM) satellite mission captured glowing electric-blue clouds in the twilight sky over Antarctica, marking an early start to this year's noctilucent, or night-shining, cloud season in the Southern H