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Episode 34: Saving the Sun

Play May 4•4:13

The Sun will be around for about another 5 billion years. After that, the Sun will have exhausted the hydrogen fuel it uses for fusion. Its outer atmosphere will swell, vaporizing the Earth's atmosphere and boiling the seas. Scientists wonder if there is a way to extend the Sun's life. Hydrogen is converted to helium during fusion, releasing energy in the Sun's core. This energy...

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