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.
Source: https://www.livescience.com/neutron-evil-twins.html
Only the Autodidact is Free
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.
Source: https://www.livescience.com/neutron-evil-twins.html