[ExI] [Extropolis] Terasem Space Day Colloquium, July 20, 2023

[Keith Henson]

"less dimming in the infrared than in the ultraviolet,

" dust particles. "

Were you here long ago when dust-sized computronium was invented and discussed?


Keith

On Tue, Jul 4, 2023 at 2:40 AM John Clark <johnkclark at gmail.com> wrote:
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> On Tue, Jul 4, 2023 at 12:50 AM Keith Henson <hkeithhenson at gmail.com> wrote:
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>> >   I don't know if anyone wants to talk about it, but to me, it looks
>> > like we may have neighbors who are obscuring substantial amounts of
>> >  their star's light.
>> >  One star, who knows?  15 stars in a tight group , , , , While I don't
>> >  like it, I don't see a way that it could be other than intentional.
>> > If you can figure out a way this could be "natural," please do.
>> >
>> > > https://arxiv.org/pdf/2111.01208.pdf
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>  The paper says "I undertook a search for other objects similar to Boyajian’s star."  [...] " Fifteen new candidates with low rates of dipping, referred to as slow dippers in the paper have been identified. The dippers occupy a limited region of the HR diagram ".
> Similar stars displaying similar behavior does not suggest alien intelligence at work even if the precise cause of that behavior is not entirely understood. But the thing that kills the alien megastructure theory dead as a doornail, at least for me, is the finding that there is less dimming in the infrared than in the ultraviolet, because there is no way that could happen if the dimming was caused by anything larger than dust particles.
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> Extinction and the Dimming of KIC 8462852
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> John K Clark
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