The Structure of the Atom | Chemistry: A Volatile History
Professor Jim Al-Khalili explains the history of the atom, its discovery and alternating theories over time.
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A chaotic beginning | Wonders of the Solar System
The chaotic birth of the solar system is incomparable to the relatively stable system that we see today.
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The centre of our solar system | Wonders of the Solar System
Professor Brian Cox describes each planet's perspective of the star at the centre of our solar system.