NASA @NASA
Eight small satellites are using GPS — the same signals as your cell phone 📲 — to see through powerful hurricanes and measure wind speeds at the ocean's surface. 🌀 How @NASAEarth's CYGNSS mission collects data many Earth-observing satellites can't see: https://t.co/vkM9MgBJ74 https://t.co/Sqew81mMT0 — PolitiTweet.org