Speed of Light - Speed of Light Constant - Carl Sagan

From the epic Cosmos by Carl Sagan: http://amzn.to/2iWX5vJ (US). For UK: http://amzn.to/2nuaoVX | Canada: http://amzn.to/2ArgA5P |

This short video clip shows Carl Sagan explaining the magic about the speed of light. It is a short clip from Carl Sagan's Cosmos: A Personal Voyage.

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Видео Speed of Light - Speed of Light Constant - Carl Sagan канала AstronomyCorner