A Supernova de Betelgeuse Pode Causar uma Era Glacial na Terra

Credit: Betelgeuse- star: By NASA, Tycho-supernova: By NASA/CXC/Rutgers/ & et al. - , Orion: By Hubble European Space Agency/Akira Fujii - , CC BY-SA 3.0 : Betelgeuse (star): By Adam Block/Steward Observatory/University of Arizona - , Orion full: By Rogelio Bernal Andreo, Constellation Orion: By Ras67, CC BY-SA 4.0 : Betelgeuse: By Xaviaranda, Betelg