NASA @NASA
Our beautiful home planet! 😍 The orange hue surrounding Earth, known as airglow, reveals workings of the upper reaches of our atmosphere. Learn how our #NASAICON satellite, launching tonight at 9:30pm ET, will help scientists understand these processes: https://t.co/PJ6Fu3EMdc https://t.co/KgQiJr2Ez7 — PolitiTweet.org