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New discoveries reveal the secrets of the Milky Way. This episode of is a mashup of "How the Universe Works" S06E04 "Death of the Milky Way" and S03E07 "Did a Black Hole Build the Milky Way?"
Experts utilize the latest science and discoveries to investigate the cause of the Milky Way galaxy's gradual death.
Uranus and Neptune are mysterious, icy worlds at the edge of the solar system; new discoveries reveal that these strange planets may have helped start life on Earth.