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View full lesson: http://ed.ted.com/lessons/sunlight-is-way-older-than-you-think-sten-odenwaldUploaded 12-05-15It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun’s core to its surface? Oddly enough, the answer is many thousands of years. Sten Odenwald explains why by illustrating the random walk problem. Lesson by Sten Odenwald, animation by TOTEM Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices
Learn more about your ad choices. Visit megaphone.fm/adchoices
