Mute
UniverS
Imagina sair lá fora à noite e perceber que uma única "estrela" está iluminando o chão, projetando sombra e brigando com a Lua pelo posto de mais brilhante do céu. É mais ou menos isso que pode acontecer quando Betelgeuse, a estrela vermelha do "ombro" de Órion, explodir como supernova. Ela é uma supergigante com cerca de 20 vezes a massa do Sol, a algo em torno de 640 anos-luz de distância - perto o suficiente para virar um show de luz inesquecível, mas longe o bastante para não oferecer perigo
Follow
25
0
11
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