How the Universe Works

★ 8.3 · 2010 · 42m · Documentary

A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has ever looked up at the night sky and wondered.

Episodes

1. Big Bang42m · The programme investigates how the Universe came into existence out of nothing, and how it grew from a minuscule point, smaller than an atomic particle, to the vast cosmos we see today.

2. Black Holes42m · Black Holes, the most powerful destroyers in the Universe, the most mysterious phenomena in the heavens. For years they were only speculation, now modern astronomy is proving them frighteningly real and showing that they may well shape everything we see.

3. Galaxies42m · The evolution of galaxies, from clouds of cold gas floating in space 13 billion years ago, to the vast gravitationally bound systems of today.

4. Stars42m · Examining the birth of stars, and how their creation changed the cosmos for ever, leading to planets and life itself.

5. Supernovas42m · Stars are not eternal; they are dying in unimaginably large explosions called supernovas. Second only to the Big Bang, these explosions are where creation and destruction meet. Only now have we begun to understand how these wonders in our sky work.

6. Planets42m · There are just eight planets in our solar system, but there could be a hundred billion planets in our Milky Way galaxy alone. This show follows the journey of planets as they grow from grains of dust to the magnificently diverse worlds we see today.

7. Solar Systems42m · Is our solar system unique? Since the first discovery of a planet orbiting another star, some 280 alien solar systems have been identified. It's only by looking at solar systems far beyond our own, that we can understand how remarkable our universe is.

8. Moons42m · Moons come in every possible shape and size. Home to incredible natural phenomena like gigantic geysers and colossal volcanoes, moons also offer perhaps the best chance of finding alien life in the Universe - and they probably exist in the billions.

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