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The final episode shows how the unique properties of light provide an insight into the origins and development of mankind and the Universe. We also see how the speed of light is both a measure of time and distance. This leads on to pinpoint one of the early events in the evolution of life.
Tags
BBC, Brian Cox, wonders of the universe, wonder, universe, documentary, free, watch, online, download, movie, film, series, episode, evolution, origin, pinpoint, Messengers, Chris Holt
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