Приклади вживання Primordial black holes Англійська мовою та їх переклад на Українською
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rigorous test to date, and their results have ruled out the possibility that primordial black holes smaller than a tenth of a millimetre make up most of the dark matter.
matter had been low, one would have expected it to produce many more primordial black holes than the limit already set by our observations of the gamma ray background.
The third group claimed that these merging rates are incompatible with an all-dark-matter scenario and that primordial black holes could only contribute to less than one percent of the total dark matter.
Capture of primordial black holes by neutron stars: If primordial black holes with masses between 1015 kg
General relativity predicts the smallest primordial black holes would have evaporated by now, but if there were a fourth spatial dimension- as
Unlike black holes that form from the collapse of giant stars, primordial black holes are thought to have formed from gravitational perturbations less than a second after the Big Bang, and this one would be so small(5 centimeters in diameter) that it would be challenging to detect.
s(Weakly Interacting Massive Particles), MACHO s(MAssive Compact Halo Objects), primordial black holes, massive neutrinos, and others;
Primordial black hole.
Planet Nine could be a primordial black hole.
Since a primordial black hole does not necessarily have to be small(they can have any size),
The observation of neutron stars in globular clusters can thus be used to set a limit on primordial black hole abundance.
A primordial black hole with an initial mass of a thousand million tons would have a lifetime roughly equal to the age of the universe.
In order to observe a primordial black hole one would have to detect several gamma ray quanta coming from the same direction within a reasonable space of time, such as a week.
still undiscovered object might be a primordial black hole.
Thus, even though we have not yet managed to find a primordial black hole, there is fairly general agreement that if we did, it would have to be emitting a lot of gamma rays and X rays.
And the reason why I kind of favor this primordial black hole, and why this would make sense,
However, gravitational lensing effects are very rare events because it requires a star in the Andromeda galaxy, a primordial black hole acting as the gravitational lens,
James Unwin of the University of Illinois at Chicago speculate it could be a primordial black hole that formed soon after the Big Bang
What About Primordial Black Holes?
What are primordial black holes?