NASA @NASA
When @NASAWebb starts its science this summer, one of its first investigations will be to study the surface of super-Earths—extremely hot, rocky exoplanets that could help us learn more about worlds across the Milky Way: https://t.co/FJenJRr5A4 https://t.co/8jYK2wNHaU — PolitiTweet.org