NASA’s AIM satellite has provided the first global-scale, full-season view of iridescent polar clouds that form 50 miles above Earth’s surface. The Aeronomy of Ice in the Mesosphere (AIM) mission is ...
Noctilucent or night-shining clouds are rare, high-altitude clouds that glow with a blue, silvery hue at dusk or dawn when the sun shines on them from below the horizon. These ice clouds typically ...