This series takes a fascinating new look at a very old universe. Fifty years after man first ventured into outer space, we examine the greatest secrets of the heavens. Each episode outlines how humans... continue reading
posted by Kulpims T'dna (kulpims) 1 decade 6 years 3 months ago • 2,598 viewsLectures and or Learning
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Updated: 1 decade 4 years 5 months 1 week ago
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a personal collection of documentaries, lectures, and anything insightful