[ExI] Gaian Bottleneck

Tomaz Kristan protokol2020 at gmail.com
Sun Jan 24 13:36:00 UTC 2016


> I suspect it is natural, but perhaps a rare phenomenon. Maybe there is a
small and dense cloud of interstellar dust drifting past?

This is a good explanation. Might be so.

And maybe it is a planet just went through a tidal forces grinding process.
A lot of debris spreading around the star.

On Sun, Jan 24, 2016 at 1:28 PM, Anders Sandberg <anders at aleph.se> wrote:

> On 2016-01-24 06:48, Stuart LaForge wrote:
>
>> The extent of the of the dip has been measured to be about .193 magnitude
>> over the observed span.
>>
>> Thoughts? Anders?
>>
>
> Confusion. I originally argued that the star is unlikely to be a Dyson
> because of the rapid construction (or decay); the chance of seeing that
> moment in history is small:
> http://aleph.se/andart2/space/likely-not-even-a-microdyson/
> So I was happy with the comet hypothesis. But the dimming doesn't fit at
> all, so it has to be something stranger.
>
> Meanwhile Phil Plait claimed the dimming was too *fast* to be Dyson
> construction, and I felt obliged to calculate some limits on Dyson
> construction:
>
> http://aleph.se/andart2/space/what-is-the-natural-timescale-for-making-a-dyson-shell/
>
> So what do I think it is? I suspect it is natural, but perhaps a rare
> phenomenon. Maybe there is a small and dense cloud of interstellar dust
> drifting past?
>
>
> --
> Dr Anders Sandberg
> Future of Humanity Institute
> Oxford Martin School
> Oxford University
>
>
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