
NASA @NASA
NOW: Scientists take your questions on TRAPPIST-1, the seven Earth-size worlds orbiting a star about 40 light-years away. At least three of them are in the habitable zone, and @NASAWebb will take a closer look. Use #AskNASA or request to speak: https://t.co/Bcptn1YcH3 — PolitiTweet.org