June 23, 2020

Another Lively Season of Night-Shining Clouds

by Kasha Patel Reposted from NASA Earth Observatory  Every summer in the Northern Hemisphere, electric blue streaks form high in the atmosphere. These seasonal clouds typically lurk about 80 kilometers (50 miles) overhead in the mesosphere around the Arctic, but every once in a while they form at lower latitudes. In 2019, the clouds showed up in places where[…]