NASA @NASA
When @SpaceX’s Falcon Heavy rocket launches, it will carry: ⏱ an atomic clock for space navigation 🛰️ a satellite fueled with non-toxic propellant ☀️ missions to study space weather Join our experts at 1pm ET to learn more: https://t.co/BQnESzvAJT. Ask ?s using #askNASA https://t.co/tRABZTFQWo — PolitiTweet.org