NASA @NASA
New clues about "super-puffy" planets, a rare class of exoplanets as large as Jupiter with extraordinarily low density. In 2012-2014, our @NASAExoplanets mission Kepler discovered 3 of them. What @NASAHubble observations found about these faraway worlds: https://t.co/KmUdaQ32Nd https://t.co/wtcpT9ggl9 — PolitiTweet.org