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Physicists Think They've Spotted the Ghosts of Black Holes from Another Universe



 
 
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Old August 30th 18, 08:28 AM posted to sci.astro.research
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Default Physicists Think They've Spotted the Ghosts of Black Holes from Another Universe

We're not living in the first universe. There were other universes,
full of black holes, in other eons before ours, a group of physicists
has said. And we can detect traces of those long-dead black holes in
space.

https://www.space.com/41573-black-ho...universes.html

--
Eduardo
----------
Alt119 - Alternate News
www.alt119.net - Art Culture Lusophony

[[Mod. note -- The technical paper behind this article is
Daniel An, Krzysztof A. Meissner, & Roger Penrose
"Apparent evidence for Hawking points in the CMB Sky"
https://arxiv.org/abs/1808.01740
The authors claim that there are circular rings on the sky in which
the CMB has relatively low variance, and that this is just what their
"conformal cyclic cosmology" predicts.

The space.com article notes that a previous similar proposal by
Gurzadyan & Penrose (https://arxiv.org/abs/1011.3706) attracted strong
criticism, with Wehus & Eriksen (https://arxiv.org/abs/1012.1268) and
and Moss, Scott, & Zibin (https://arxiv.org/abs/1012.1305) arguing
that that the frequency of occurence of the low-variance rings was
no more than would be expected from random Gaussian noise with the
known CMB angular power spectrum.
-- jt]]
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