Quote:
Originally Posted by glend
I always believed you needed a certain mass to develop a black hole. A grapefruit sized black hole? Sounds impossible.
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Hi Glen,
Hypothesised primordial black holes are remnant bits of matter that
collapsed back in on themselves shortly after the Big Bang.
See
https://en.wikipedia.org/wiki/Primor...0black%20holes.
They had at one point been a Dark Matter candidate but a Japanese
research group claimed last year they had proven they can't :-
https://www.universetoday.com/141923...l-black-holes/