
NASA @NASA
NEW: Scientists may have detected evidence of a planet candidate orbiting a star outside our Milky Way galaxy for the first time. The exoplanet could be about the size of Saturn: https://t.co/yoeFcGn2RK Have questions? Head over to @ChandraXRay for a Q&A. https://t.co/TWNWKqnoMb — PolitiTweet.org