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1. How the Universe Works (2010– )
Episode: Asteroids - Worlds That Never Were (2012)

TV-PG | 44 min | Documentary

8.2
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    1 2 3 4 5 6 7 8 9 10 8.2/10 X  

From icy worlds with more fresh water than Earth to flying mountains of pure metal, asteroids shaped our past and promise much for the future. Could these enigmatic space rocks hold the key... See full summary »

Director: George Harris | Stars: Erik Dellums, Dan Durda, Lawrence Krauss, Peter Schultz

Votes: 48

2. The Universe (2007– )
Episode: Catastrophes that Changed the Planets (2011)

45 min | Documentary, History

6.7
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    1 2 3 4 5 6 7 8 9 10 6.7/10 X  

The planets of our solar system have experienced epic catastrophes throughout their long history, both raining down from outside and bubbling up from within. We'll voyage back in time to ... See full summary »

Director: Laura Verklan | Stars: Erik Thomson, Alex Filippenko, Michael Mischna, Dan Durda

Votes: 47