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<div class="moz-cite-prefix">On 12/28/20 4:06 PM, Matthew Petach
wrote:<br>
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<blockquote type="cite"
cite="mid:CAEmG1=r4R_Ga+jHU68zit09DdMhG-JPqSUQx6k+3Gpr=jaPOpA@mail.gmail.com">
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<div>I think you may have misunderstood Keith's comment about </div>
<div>it being "all a matter of time-frame."</div>
<div><br>
</div>
<div>He's right--when the sun consumes all the hydrogen in </div>
<div>the hydrogen-to-helium fusion process and begins to </div>
<div>expand into a red dwarf, that's it; there's no going </div>
<div>backwards, no putting the genie back into the bottle,</div>
<div>no "renewing" the sun. It's purely a one-way trip.</div>
<div><br>
</div>
<div>Now, as far as humans go, we're far more likely to be </div>
<div>extinct due to other reasons before we come anywhere </div>
<div>near to that point.</div>
<div><br>
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<div>But as far as the physics goes, the conversion of
biomatter </div>
<div>into petrochemicals in the ground is more "renewable"
than</div>
<div>the conversion of hydrogen into helium in the sun.</div>
<div><br>
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<div>It's just that we're far more likely to hit the
near-term </div>
<div>shortage crunch of petrochemicals in the ground than </div>
<div>we are the longer-term exhaustion of hydrogen in the</div>
<div>core of the sun. ;)</div>
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<p>2020: Hawking Radiation, take me away.</p>
<p>Mike<br>
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