Neutrons’ ‘evil twins’ may be crushing stars into black holes

Table of Contents Through the looking glassThe heart of the starNeutrons’ evil twins The universe may be filled with “mirror” particles — and these otherwise-undetectable particles could be shrinking the densest stars in the universe, turning them into black holes, a new study suggests.  These hypothetical evil twins of ordinary […]

The universe may be filled with “mirror” particles — and these otherwise-undetectable particles could be shrinking the densest stars in the universe, turning them into black holes, a new study suggests. 

These hypothetical evil twins of ordinary particles would experience a flipped version of the laws of physics, as if the rules that govern known particles were reflected in a looking glass. According to a new study, published in December 2020 in the preprint database arXiv but not yet peer-reviewed, if these particles exist, they would be shrinking the densest stars in the universe into black holes.

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