NASA @NASA
High above storm clouds, a crimson flash appears. It’s a sprite—one of the least-understood electrical phenomena in Earth’s upper atmosphere. You and your camera could add to a ground-breaking discovery. @DoNASAScience and join the Spritacular project: https://t.co/PScgIfMuds https://t.co/HLLPdlzLF6 — PolitiTweet.org