How Betelgeuse Will Explode | How the Universe Works

Supernovas are the dramatic death of giant stars. Their explosions outshine all the stars in a galaxy, and the last minutes of their life are the most energetic and the most cataclysmic events that we see in the universe. Stream Full Episodes of How the Universe Works: Subscribe to Science Channel: Like us on Facebook: Follow us on Twitter: Follow us on Instagram:
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