In this lecture, Brian Cox explains how the Universe was created. What was the Universe like in the first fractions of the first second?
How's your quantum mechanics and your understanding of the theory of relativity? It'll be slightly better after this video.
Hubble Constant: 42 miles / second / 3 million light years
Age of the universe: 13.73 +/- 0.12 billion years old
Physics made interesting and explained simply.
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