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How the Universe Works Season 2

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Here's where to watch every episode of How the Universe Works season 2. Mouseover or tap an episode to see where to stream it. Click or tap the play icon to stream it on the best available service.
Season 02, Episode 01 Volcanoes - The Furnaces of Life

S02 E01

Jul 12, 2012
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Volcanoes - The Furnaces of Life Jul 12, 2012 Are we alone in the Universe? What makes Earth so different? Part of the answer is our volcanoes. without them we would not be here either. Today we are discovering volcanoes on alien worlds. Are these worlds where, tomorrow, we might find life?

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Season 02, Episode 02 Megastorms - The Winds of Creation

S02 E02

Jul 19, 2012
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Megastorms - The Winds of Creation Jul 19, 2012 Destructive weather forces are symptoms of Earth's creative energy. In our quest to discover if we are alone in the universe, we shouldn't just look for worlds, we should look for weather; find that megastorm, and maybe we will find alien life.

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Season 02, Episode 03 Exoplanets - Planets from Hell

S02 E03

Jul 26, 2012
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Exoplanets - Planets from Hell Jul 26, 2012 We once thought that the only planets were in our solar system. We have found many other planets but they are nothing like we expected, from deep-frozen, toxic snowballs, to scorched and boiling nightmares. Is every planet out there a planet fom Hell?

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Season 02, Episode 04 Megaflares - Cosmic Firestorms

S02 E04

Aug 2, 2012
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Megaflares - Cosmic Firestorms Aug 2, 2012 The Universe is a magnetic minefield. Spinning star systems crackle and explode, magnetic monsters rip worlds apart, star-quakes shoot beams of devastating energy, and galactic flamethrowers fire gamma-rays half way across the Universe. Will we find Earth in the firing line?

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Season 02, Episode 05 Extreme Orbits - Clockwork and Creation

S02 E05

Aug 9, 2012
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Extreme Orbits - Clockwork and Creation Aug 9, 2012 We owe our existence to the stability of earth's orbit. But we are the freaks: everywhere else we look we find orbits are chaotic, unstable, and violent. Yet on the very largest scale, orbits are also a creative force, even constructing the fabric of the universe itself.

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Season 02, Episode 06 Comets - Frozen Wanderers

S02 E06

Aug 16, 2012
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Comets - Frozen Wanderers Aug 16, 2012 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.

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Season 02, Episode 07 Asteroids - Worlds That Never Were

S02 E07

Aug 23, 2012
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Asteroids - Worlds That Never Were Aug 23, 2012 Asteroids wiped out the dinosaurs and may be back for us but they also built the Earth and may have brought life to its barren surface. Asteroids will shape our future as much as our past and scientists are striving to unlock their secrets.

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Season 02, Episode 08 Birth of the Earth

S02 E08

Aug 30, 2012
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Birth of the Earth Aug 30, 2012 The Earth was formed by a series of cataclysms without which we would not exist. Could the same events have created other earth-like planets elsewhere in the Universe inhabited by creatures like us?

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