Bill Nelson @SenBillNelson
It’s International #AsteroidDay! What questions do you have about asteroid science and #PlanetaryDefense? Tag your questions with #askNASA and join @NASA experts for a special episode of #NASAScienceLive today at 1pm ET: https://t.co/kb0m7THFs7 https://t.co/VRqiQCPz3a — PolitiTweet.org