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(Phys Org2)   Perhaps the universe was a bit of a botched job, and was filled with primordial black holes? If we only had a map of all the holes. We could use them to get stinking rich   (phys.org) divider line
    More: Interesting, Galaxy, supermassive black holes form, Dark matter, new study, General relativity, Milky Way, primordial black holes, Universe  
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859 clicks; posted to STEM » on 17 Dec 2021 at 5:05 PM (21 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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2021-12-17 4:19:43 PM  
indiewire.comView Full Size
 
2021-12-17 5:49:54 PM  
How many holes does it take to fill the Albert Hall?
 
2021-12-17 6:17:30 PM  

cretinbob: [indiewire.com image 850x478]


Came for this.  Leaving satisfied.
 
2021-12-17 6:30:25 PM  
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2021-12-17 6:36:15 PM  

batlock666: How many holes does it take to fill the Albert Hall?


42
 
2021-12-17 6:40:42 PM  

LewDux: batlock666: How many holes does it take to fill the Albert Hall?

42


So 3958 less than Blackburn, Lancashire
 
2021-12-18 3:35:45 AM  
Either the article is not doing justice to what the scientists in question are proposing, or they are proposing what has been commonly suggested for a very, very long time.
 
2021-12-18 5:31:22 AM  

TheMysteriousStranger: Either the article is not doing justice to what the scientists in question are proposing, or they are proposing what has been commonly suggested for a very, very long time.


There are now several big dish telescopes around the world plus orbital observatories that are being used together to see far greater detail. They are studying things now that they thought they would need JWST for such as a galaxy from the Dark Age.

Basically, yeah there have been hypotheses about dark matter being at least in part these primordial black holes, but from TFA it looks like they refined the data from more recent observations and the data do not exclude the existence of primordial black holes. They have been doing wonderful work in detecting microlensing to find otherwise hidden things and this most likely is based on the cumulative rate of microlensing matching what the mathematical models of primordial black holes predict.

That isn't a smoking gun, all it says is that the data don't exclude that solution. But they've been narrowing the prospects of a particle-based solution, so far nothing consistent with predictions have been observed there.

In addition they also would help explain today's supermassive black holes, which have been kind of a mystery.

That they could explain both tends to lend greater credence to their existence but in a "less chance of not existing" than "greater chance of existing" if that makes any sense.
 
2021-12-18 7:37:40 AM  
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