On Wednesday, January 29, 2020 at 6:55:26 AM UTC-6, John Clark wrote: > > On Tue, Jan 28, 2020 at 8:03 PM Lawrence Crowell <[email protected] > <javascript:>> wrote: > > *> There was some conjecture the so called Planet 9 some are looking for >> is a mini-black hole with Neptune mass. I sort of doubt this is the case.* > > > I sort of doubt it too, but boy oh boy it would sure be great if it turned > out to be true, we could actually send a space probe to examine a Black > Hole! > > *> I am not sure how such a BH could have arisen.* > > > If sub-solar mass Mini-Black Holes exist I think they must have been > produced in the first nanoseconds of the Big Bang, I can't think of > anything else that would have conditions extreme enough to make them. > > John K Clark >
The problem with that is it would predict a larger initial entropy for the universe. That would be the case if there were a fair number of them. LC -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/6908ea49-d836-4abd-aafc-2d3a2f8bce2d%40googlegroups.com.
