In a daring leap, new research suggests that pockets of vacuum energy in black holes could be the dark energy that cosmologists are seeking
They are also a clear indicator that general relativity’s days as gravity’s best explanation are numbered. That theory says a black hole’s core is a point of infinite density and pressure called a singularity. This, says Chris Pearson atA host of more palatable alternatives have been proposed, but none has the observational evidence needed to back it up. Two new papers, in the, co-written by Dr Pearson, are intended to change that.
Previous work has shown that, in general relativity, the compression of matter past a certain point can lead to the formation of a zone containing vacuum energy, the background energy of empty space. Instead of an infinitely dense singularity, it is therefore possible that black holes contain a well of such energy, the presence of which would account for the observed mass discrepancy.
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