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Geronimo
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st cloud USA
Jan 1970 time: 05:37
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Kucinich
quote: More like five billion. |
for some years I was under the impression that earth would become uninhabitable when our Sun became a red giant of such such size that it would possibly consume the entire earth. This phase of the suns life will be relatively short and indeed best estimates (based on a thorough understanding of the evolution of main sequence stars like our current sun) place it close to 5 billion years in the future when the sun will finally leave the main sequence. However, a couple years back it was determined that the earth would lose its entire oceans within only a few hundred million years and this would lead to lethal surface temperatures *long* before the sun would do it's red giant thing. This wasn't some flaky web based article either but I'm almost certain it was in Science and I may be able to find the issue. I tried googling for the information but it was too much of a pain to find it while excluding irrelevant short term global warming information. If I find it later I'll edit the post and cite it here. Suffice it to say that human beings appear to have evolved not at the middle of Earth's habitable lifespan but rather as close to the tail end of it as aerobic life was to the beginning 
Last edited by Geronimo on 26-06-2004 at 10:54
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Dis
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Las Vegas, Nevada
Feb 2000 time: 21:37
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not exactly. this flag is black. black flag of the jihad.
Last edited by Dis on 26-06-2004 at 19:50
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All times are GMT. The time now is 05:37. Apolyton Time is 00:37. |
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