
How the Universe Works Season 4 Episode 4
Huge magnetic bubbles millions of miles wide; strange invisible matter, and a death star tearing through bands of icy comets, flinging them into violent orbits.
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Serie: How the Universe Works
Guest Star: Hakeem Oluseyi, James S. Bullock, Lawrence Krauss, Michelle Thaller, Michio Kaku, Mike Rowe, Moogega Cooper, Phil Plait, Richard Lintern