Inside the Sun

The Sun is a nuclear inferno, its surface raging with violent eruptions. Huge plasma storms eject electromagnetic debris across the solar system, with up to 20 threatening Earth every day. Dark spots on the surface indicate that an eruption is brewing, but once we've seen them, the race is on - a giant solar storm could be heading straight for Earth. The US Air Force shows us how they keep the skies safe by warning astronauts and rerouting pilots to avoid blasts of radiation. But where does all the Sun's power come from? This film delves inside this gas goliath to ...

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Killer Asteroids

Wed, Nov 26, 2014