Janna Levin, a professor of physics and astronomy at Barnard College of Columbia University, narrates this two-minute video about The Big Bang.
Short video about Big Bang – Boing Boing .
Janna Levin, a professor of physics and astronomy at Barnard College of Columbia University, narrates this two-minute video about The Big Bang.
Short video about Big Bang – Boing Boing .
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