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Are black holes really black holes?

Daniel and Kelly’s Extraordinary Universe

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Is There a Dark Star?

Instead of a black hole, ir something called a dark star. The idea is to exercise your brain and think about other ways to arrange matter that gives the same outward appearance but looks different fundamentally. And there's lots of diferet scenarios. One scenarioas it becomes a neutron star which avoids total gravitational collapse because of the neutrons putting pressure on each other. But another could be even more dense than a neutron star, but not a black hole. That's what a dark star is. It's got something called a plank core, where the core is collapseing gravity tonally. We don't really understand what's going on inside a neutron star very well at all. If you have

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