[ExI] Gaian Bottleneck

[Tomaz Kristan]

> What would be the odds of catching that at its current stage?

Since we saw many hot exo-jupiters, it's quite conceivable that one of them
came too close and has been  dismantled by gravity of its star recently -
isn't prohibitively small.

Still, the Anders' expanation is even a bit better. That a cloud of the
interstellar dust - a free and dense Oort clud or something like that, has
met that star.

More we look, more such particles we see around.  I would bet on something
like that.

Dyson sphere it's pretty much out of the question, since they would be
building it also here by now.

On Sun, Jan 24, 2016 at 7:22 PM, BillK <pharos at gmail.com> wrote:

> On 24 January 2016 at 17:19, spike  wrote:
> > Ja.  Before it becomes a viable notion to create a Dyson shell or MBrain,
> > the builders would already need replicating assemblers (we might think.)
> > Alternative: without replicating assemblers, the progress on the MBrain
> > would be too slow to map a change on our timescale.  Second alternative:
> > construction on the MBrain began, then the replicating assembler was
> > discovered, at which time the transition (causing the dimming) kicked
> into
> > high gear.  Problem: that we should happen to catch that transition in
> > progress is quite unlikely.
> <snip>
> >
>
> The criticism of a Dyson shell that I have read is (as you suggest)
> that the civ would have already mastered nanotech, fusion energy, etc.
> so that they would not need to use the sun energy. So they would have
> better things to do with their resources than building an enormous
> Dyson shell.
>
> There are probably several things going on with this peculiar star,
> that cause the radiation to vary.
>
> BillK
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