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Hydrogen atoms radiate radio waves at a very particular wavelength,
21 centimetres
21 centimetres
Full Transcript
00:00:01.000 --> 00:00:05.016
Hydrogen atoms radiate radio waves
00:00:05.024 --> 00:00:08.004
at a very particular wavelength,
21 centimetres.
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Movie Summary
Professor Brian Cox journeys across the vastness of time and space revealing epic moments of sheer drama that changed the universe forever.