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Exploring the Universe: Crash Course Big History #2
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Exploring the Universe: Crash Course Big History #2 In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen... From:CrashCourse Views:301 http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...half_11x11.gif 1555ratingsTime:14:37More inEducation أكثر... |
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