Fair rating?The Universe· Season 3 · Episode 3
Light Speed
According to the laws of physics we can never travel faster than the speed of light...or can we? Light speed allows us to see things instantly here on Earth, and shows us the entire history of the universe going back nearly 14 billion years. Learn all about light speed, the ultimate constant in the universe and discover ways scientists envision breaking the "light barrier" which may be the only way the star travel of our imaginations ever comes to reality.
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#2In Season 3of 12 rated episodes
#7All-timeof 84 rated episodes
+0.8vs season avgSeason 3 averages 8.0
2008First airedNovember 25, 2008
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