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We're all DOOMED!


Lorderl
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So earlier this morning i got hooked on watching the history channel.

 

The segment was on our planet earth.

 

its estimated that in some +200 BILLION years :blink: the earth's core will go cold and the planet will be dead, us along with it.

 

WERE ALL DOOMED I SAY, DOOMED!!!! :blink:::D::lol:

 

so you best hurry and get those minis painted haha ::D:

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Isn't the sun doomed to die as a red giant and take us with it well before that? Like in 5 billion years? Liquid water only has about a billion years to go on this planet, also, if I understand it correctly.

sure, why not shorten the time frame by 195 billion years ::D:

 

 

Technically, we WILL BE all doomed, not we WERE all doomed. This is 5-200 billion years in the future, after all.

 

Perhaps it's supposed to be we're?

not that my improper use of grammer will matter in 5 - 200 billion years from now, but i'll see about fixing that for you guys, wouldn't want you losing any sleep over it ::P:::D:

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Isn't the sun doomed to die as a red giant and take us with it well before that? Like in 5 billion years? Liquid water only has about a billion years to go on this planet, also, if I understand it correctly.

 

That's exactly right. Within 1 billion years, the Sun will have increased its brightness to a point that will push the so-called "Goldilocks Zone" further outwards, rendering the Earth uninhabitable.

 

5 billion years from now, having used up its supply of hydrogen fuel, the Sun will fuse helium into carbon in an effort to keep itself going. The increased temperature and pressure required for this will cause the Sun to bloat and expand, engulfing Mercury, Venus, and perhaps Earth. 100 million years hence, the Sun will shed its atmosphere in a relatively gentle (cosmically speaking) manner, leaving behind a white dwarf, a stellar remnant made up of mainly carbon about the size of the Earth, but very dense. So dense that a teaspoon of its matter would weigh several tons.

 

By the time Earth's geological engine slows down, we'll have already been through a lot worse.

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5 billion years from now, having used up its supply of hydrogen fuel, the Sun will fuse helium into carbon in an effort to keep itself going.

I admit ignorance on this subject, but I'm pretty sure the sun isn't capable of intent.

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