
NASA @NASA
A monstrous cloud of hot material exploding from its surface is most likely what caused the supergiant star Betelgeuse to dim last fall, @NASAHubble/@ESAScience observations suggest. Our @NASASun spacecraft STEREO witnessed more odd behavior this summer: https://t.co/gvUxgTtOif https://t.co/BmmxhLTVPf — PolitiTweet.org