[ExI] tabby's star dimming again

[Tomaz Kristan]

It's conquer or to be conquered, on a cosmic scale. This is no joke, and no
funny matter.

The fairy tales  told by Carl Sagan and many others are total crap, which
has nothing to do with reality.

Our best hope is, that we are the first and early enough. As they say -
take the red pill!





On Sun, May 21, 2017 at 7:16 PM, John Clark <johnkclark at gmail.com> wrote:

> On Sun, May 21, 2017 at 12:28 PM, BillK <pharos at gmail.com> wrote:
>
> ​> ​
>> Space is BIG.
>
>
> ​Well, there does seem to be a awful lot of it.​
>
>
> ​> ​
>> There would be no reason for them to decide to send a
>> ​ ​
>> probe specifically to us. If they decided to send probes to every star
>> ​ ​
>> within 1500 light years, that would be an impossibly huge energy
>> ​ ​
>> expenditure.
>>
>
> ​
> Not so. A Von Neumann probe would only weigh a few ounces, perhaps less,
> and they'd only have to send one probe to one star. Even if that probe
> moved no faster than our Voyager spacecraft (a ridiculously conservative
> estimate I think) a probe could be in every star system in the Galaxy in
> just a blink of an eye, about 50 million years, and the Milky
> ​ ​
> Way
> ​ ​
> would be transformed into a structure obviously built by intelligence. It
> wouldn't be anything subtle
> ​s​
> o why don't we see that?
>
> John K Clark
>
>
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>


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