[AR] Re: Freeman Dyson, RIP
- From: Norman Yarvin <yarvin@xxxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Tue, 10 Mar 2020 11:36:56 -0400
On Mon, Mar 09, 2020 at 11:34:57PM -0400, Henry Spencer wrote:
This is something the stellar modeling people could answer, but I
really doubt heating up the outer layers of a star would do much to
the burn rate deep in the center.
Depends on how patient you are (note my word "eventually"). :-) The time
scale for energy propagation out is long, thousands of years if I recall
correctly, and effects going the other way are likely to take similar
amounts of time, but the message will get through eventually. If the
outer layers get hotter and hotter, eventually the outward heat flow will
start to slow, and the core temperature will start to rise.
Still, the core temperature of the sun is millions of degrees.
Raising the surface temperature by a mere thousand degrees would have
a hard time changing it significantly.
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