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Spacetime is the secret structure that controls our universe, and this strange four-dimensional substance controls time, light, and energy. It will also determine how our universe will end.
Scientists are using cutting-edge technology to stop an asteroid apocalypse, and for the first time, mankind is closer than ever to keeping Earth safe from these killer space rocks.
War on Asteroids
Our solar system is home to hundreds of strange, tiny worlds called dwarf planets, and new discoveries reveal the secrets of these mysterious places.
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- Premiered: April 25, 2010
- Rating: TV-G
- Premise: Examining the universe's mechanisms, structures and phenomena in this documentary series featuring CGI and expert commentary. (more)