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Origins 1 - Origins of the universe

Tuesday 7th Oct 2014, 11.15am

This podcast is part of the The Big Questions series.

Professor Jo Dunkley explains how we can look back in time at the light from the early Universe. This ultra-cold light can be used to create a picture from soon after the Big Bang.

With no stars or galaxies, the image formed shows a universe that was just starting to grow the features we see today.

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