[ExI] Has the mystery of Dark Matter been solved?

John Clark johnkclark at gmail.com
Wed May 25 15:16:57 UTC 2016


On Tue, May 24, 2016 at 1:02 PM, Anders Sandberg <anders at aleph.se> wrote:

​
> ​>>​
> The present
>> lithium
> ​and Helium ​
> abundance
>> gives a tight constraint on the amount of normal baryonic matter (matter
> made from electrons neutrons and protons) that
> ​could have ​
> existed at the time of  nucleosynthesis
> ​, and there is not nearly enough of it to account for
> Dark Matter. So whatever Dark Matter is it can not be normal ​
> baryonic matter
> ​,​
> ​ and it can't be made of Stellar Black Holes
>
> ​> ​
> So how does this rule out WIMPs?
>

​It doesn't. Maybe WIMPs exist, but if LIGO starts finding lots of Black
holes soon after it comes back

​online ​in September then WIMPS would be unnecessary to explain Dark
Matter.

 John K Clark


>
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