The Beginning and End of the Universe
Professor Jim Al-Khalili expounds on theories explaining the beginning of the universe, discussing Edwin Hubble's realisation of expansion and outlining the discovery of the residual radiation that underlies the big bang theory.
Professor Al-Khalili discusses the end of the universe. He outlines certain theories, including those of the big crunch, the big rip and the big freeze, that many physicists are suggesting as possible fates for the universe.
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