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Politics : American Presidential Politics and foreign affairs

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To: ManyMoose who wrote (8275)5/14/2006 12:35:34 AM
From: White Bear  Read Replies (3) of 71588
 
I was thinking about this at about the same time you posted about self.

The Sun is about 4.5 billion years old. Since its birth it has used up about half of the hydrogen in its core. It will continue to radiate "peacefully" for another 5 billion years or so (although its luminosity will approximately double in that time). But eventually it will run out of hydrogen fuel. It will then be forced into radical changes which, though commonplace by stellar standards, will result in the total destruction of the Earth (and probably the creation of a planetary nebula).
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