[ExI] Gravitational Waves Detected By LIGO!

[Tomaz Kristan]

By "rain" I mean at least one every second in the observable Universe. Had
to be, for number reasons.

On Sun, Feb 14, 2016 at 8:52 AM, Tomaz Kristan <protokol2020 at gmail.com>
wrote:

> You may be right, The fact that LIGO is currently down can explain a lot.
>
> But when it will go online again, we will see. If there will not be very
> frequent  detections, of a much greater events also, this one was a fluke.
> For there is a constant rain of black holes onto those supermassives. Have
> to be.
>
> We will see.
>
> On Sun, Feb 14, 2016 at 1:04 AM, John Clark <johnkclark at gmail.com> wrote:
>
>> On Sat, Feb 13, 2016 Tomaz Kristan <protokol2020 at gmail.com> wrote:
>>
>> ​> ​
>>> Those giant black holes, have swollen millions of black holes during
>>> past 10 billion years.
>>> ​
>>> Each. And there are billion of them. Many such occurrences every year,
>>> even every day.
>>> ​
>>> We do not detect those.
>>>
>>
>> ​That is true; determining when the distance between two mirrors 2 and a
>> half miles apart changes by 1/10,000 the width of a proton is hard.​
>>
>>
>>> ​> ​
>>> Why?
>>>
>>
>> ​Be patient
>> . To the surprise of everybody LIGO detected the big signal and several
>> smaller signals during a short engineering run when it was only at a third
>> of it's design sensitivity. Until very recently the LIGO people were
>> telling everybody that they didn't expect to see anything
>> ​ interesting
>> until 2017 or 2018, and when they did find something they expected it
>> ​would ​
>> come from 2 neutron stars  or a neutron
>> ​star​
>>  and a 8 or 9 mass black hole
>> ​,​
>> not from 36 and 29 mass black holes merging, but
>> ​​
>> apparently
>>  ​such things and gravity waves in general are more common than had been
>> thought.
>>
>> LIGO is shut down right now so it can be twerked to reach designed
>> sensitivity but will come back online in late summer; that's about the same
>> time the European Advanced VIRGO detector starts up and it might be even
>> more sensitive. When that happens finding a new gravity wave event every
>> day may not be unrealistic.
>>
>>  John K Clark     ​
>>
>>
>>
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>>
>>
>
>
> --
> https://protokol2020.wordpress.com/
>



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