Rootje Posted February 1, 2005 Share Posted February 1, 2005 Ok, a black hole (presumably) is a star which has collapsed to a single point, a singularity in which all the mass of the star is concentrated. A lot of their properies (like twisted spacetime when they rotate or X-ray energies in the centre of accretion disks, in accordance with their mass and zero diameter) have been theorized and some even observed. But all around the fact that a black hole has almost zero diameter. But when a star collapses beyond the density of neutron stars, it keeps on collapsing till it reaches its event horizon diameter. According to general relativity, its time w.r.t. the rest of the universe comes to a complete stop. How is it then possible for the black hole to collapse further to a singularity, if its time is frozen? Link to comment Share on other sites More sharing options...
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