How the Universe Works

Season 2, Episode 6: Comets - Frozen Wanderers

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As time machines from the early universe, comets could hold the key to unlock the secrets of the cosmos, and may even be the origin of life itself. In this episode, we learn that comets are even more mysterious and fascinating than we had ever imagined.

All Episodes - Season 2

Volcanoes - The Furnaces of Life
Episode 1
Volcanoes - The Furnaces of Life
 Megastorms - The Winds of Creation
Episode 2
Megastorms - The Winds of Creation
 Exoplanets - Planets from Hell
Episode 3
Exoplanets - Planets from Hell
 Megaflares - Cosmic Firestorms
Episode 4
Megaflares - Cosmic Firestorms
 Extreme Orbits - Clockwork and Creation
Episode 5
Extreme Orbits - Clockwork and Creation
 Comets - Frozen Wanderers
Episode 6
Comets - Frozen Wanderers
 Asteroids - Worlds That Never Were
Episode 7
Asteroids - Worlds That Never Were
 Birth of the Earth
Episode 8
Birth of the Earth
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