Mysterious hot spots and a cool arc observed in Betelgeuse

Astronomy Magazine (@AstronomyMag) tweetou às 7:17 PM on sex, Abr 26, 2013: Mysterious hot spots and a cool arc observed in Betelgeuse, http://t.co/lBhh0FhQb3 (https://twitter.com/AstronomyMag/status/327849044233818114) Adquira o aplicativo oficial do Twitter em https://twitter.com/download